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10940421492 = 22347211136179
BaseRepresentation
bin10100011000001100…
…11001010101110100
31001020110022222220000
422030012121111310
5134401221441432
65005335111300
7535054022400
oct121406312564
931213288800
1010940421492
114704645660
122153b12530
1310547974b0
1475b002100
1544072157c
hex28c199574

10940421492 has 720 divisors, whose sum is σ = 40229925120. Its totient is φ = 2547417600.

The previous prime is 10940421487. The next prime is 10940421517. The reversal of 10940421492 is 29412404901.

10940421492 is a `hidden beast` number, since 109 + 40 + 4 + 21 + 492 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 138486309 + ... + 138486387.

It is an arithmetic number, because the mean of its divisors is an integer number (55874896).

Almost surely, 210940421492 is an apocalyptic number.

10940421492 is a gapful number since it is divisible by the number (12) 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 10940421492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20114962560).

10940421492 is an abundant number, since it is smaller than the sum of its proper divisors (29289503628).

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

10940421492 is a wasteful number, since it uses less digits than its factorization.

10940421492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 10940421492 in words is "ten billion, nine hundred forty million, four hundred twenty-one thousand, four hundred ninety-two".