56400924988 has 48 divisors (see below), whose sum is σ = 104286087360. Its totient is φ = 26658837504.

The previous prime is 56400924977. The next prime is 56400924989. The reversal of 56400924988 is 88942900465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56400924989) 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, 773028 + ... + 842836.

It is an arithmetic number, because the mean of its divisors is an integer number (2172626820).

Almost surely, 2^56400924988 is an apocalyptic number.

It is an amenable number.

56400924988 is a deficient number, since it is larger than the sum of its proper divisors (47885162372).

56400924988 is a wasteful number, since it uses less digits than its factorization.

56400924988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70006 (or 70004 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 56400924988 in words is "fifty-six billion, four hundred million, nine hundred twenty-four thousand, nine hundred eighty-eight".