40184258912 has 96 divisors (see below), whose sum is σ = 95792155200. Its totient is φ = 16198778880.

The previous prime is 40184258911. The next prime is 40184258969. The reversal of 40184258912 is 21985248104.

It is a super-2 number, since 2×40184258912² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40184258911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11608862 + ... + 11612322.

It is an arithmetic number, because the mean of its divisors is an integer number (997834950).

Almost surely, 2^40184258912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40184258912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47896077600).

40184258912 is an abundant number, since it is smaller than the sum of its proper divisors (55607896288).

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

40184258912 is a wasteful number, since it uses less digits than its factorization.

40184258912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6544 (or 6536 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 44.

The spelling of 40184258912 in words is "forty billion, one hundred eighty-four million, two hundred fifty-eight thousand, nine hundred twelve".