42956507700972 has 72 divisors (see below), whose sum is σ = 109368392078400. Its totient is φ = 14215471347168.

The previous prime is 42956507700961. The next prime is 42956507701007. The reversal of 42956507700972 is 27900770565924.

42956507700972 is a `hidden beast` number, since 4 + 2 + 9 + 56 + 507 + 7 + 0 + 0 + 9 + 72 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 272233803 + ... + 272391549.

Almost surely, 2^{42956507700972} is an apocalyptic number.

It is an amenable number.

42956507700972 is an abundant number, since it is smaller than the sum of its proper divisors (66411884377428).

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

42956507700972 is a wasteful number, since it uses less digits than its factorization.

42956507700972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212315 (or 212310 counting only the distinct ones).

The product of its (nonzero) digits is 66679200, while the sum is 63.

The spelling of 42956507700972 in words is "forty-two trillion, nine hundred fifty-six billion, five hundred seven million, seven hundred thousand, nine hundred seventy-two".