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40470988000 = 255319228027
BaseRepresentation
bin100101101100010000…
…100100010011100000
310212110111022012120111
4211230100210103200
51130341033104000
630331521421104
72631623502442
oct455420442340
9125414265514
1040470988000
11161888aa323
127a1579a794
133a7c81a2a1
141d5cd70492
1510bd01dcba
hex96c4244e0

40470988000 has 144 divisors (see below), whose sum is σ = 104949949104. Its totient is φ = 15335827200.

The previous prime is 40470987983. The next prime is 40470988003. The reversal of 40470988000 is 88907404.

It is a super-2 number, since 2×404709880002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40470988003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1429987 + ... + 1458013.

It is an arithmetic number, because the mean of its divisors is an integer number (728819091).

Almost surely, 240470988000 is an apocalyptic number.

40470988000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40470988000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52474974552).

40470988000 is an abundant number, since it is smaller than the sum of its proper divisors (64478961104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40470988000 is a wasteful number, since it uses less digits than its factorization.

40470988000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28090 (or 28053 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 40470988000 in words is "forty billion, four hundred seventy million, nine hundred eighty-eight thousand".

Divisors: 1 2 4 5 8 10 16 19 20 25 32 38 40 50 76 80 95 100 125 152 160 190 200 250 304 361 380 400 475 500 608 722 760 800 950 1000 1444 1520 1805 1900 2000 2375 2888 3040 3610 3800 4000 4750 5776 7220 7600 9025 9500 11552 14440 15200 18050 19000 28027 28880 36100 38000 45125 56054 57760 72200 76000 90250 112108 140135 144400 180500 224216 280270 288800 361000 448432 532513 560540 700675 722000 896864 1065026 1121080 1401350 1444000 2130052 2242160 2662565 2802700 3503375 4260104 4484320 5325130 5605400 7006750 8520208 10117747 10650260 11210800 13312825 14013500 17040416 20235494 21300520 22421600 26625650 28027000 40470988 42601040 50588735 53251300 56054000 66564125 80941976 85202080 101177470 106502600 112108000 133128250 161883952 202354940 213005200 252943675 266256500 323767904 404709880 426010400 505887350 532513000 809419760 1011774700 1065026000 1264718375 1618839520 2023549400 2130052000 2529436750 4047098800 5058873500 8094197600 10117747000 20235494000 40470988000