38956772460 has 48 divisors (see below), whose sum is σ = 109191462912. Its totient is φ = 10377758400.

The previous prime is 38956772443. The next prime is 38956772551. The reversal of 38956772460 is 6427765983.

It is a self number, because there is not a number n which added to its sum of digits gives 38956772460.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276076 + ... + 392595.

It is an arithmetic number, because the mean of its divisors is an integer number (2274822144).

Almost surely, 2^38956772460 is an apocalyptic number.

38956772460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38956772460 is an abundant number, since it is smaller than the sum of its proper divisors (70234690452).

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

38956772460 is a wasteful number, since it uses less digits than its factorization.

38956772460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669654 (or 669652 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 57.

The spelling of 38956772460 in words is "thirty-eight billion, nine hundred fifty-six million, seven hundred seventy-two thousand, four hundred sixty".