56402888868 has 96 divisors (see below), whose sum is σ = 157509918720. Its totient is φ = 17403392160.

The previous prime is 56402888831. The next prime is 56402888873. The reversal of 56402888868 is 86888820465.

56402888868 is a `hidden beast` number, since 564 + 0 + 2 + 8 + 8 + 8 + 8 + 68 = 666.

56402888868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 289230 + ... + 443237.

It is an arithmetic number, because the mean of its divisors is an integer number (1640728320).

Almost surely, 2^56402888868 is an apocalyptic number.

It is an amenable number.

56402888868 is an abundant number, since it is smaller than the sum of its proper divisors (101107029852).

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

56402888868 is a wasteful number, since it uses less digits than its factorization.

56402888868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732534 (or 732526 counting only the distinct ones).

The product of its (nonzero) digits is 47185920, while the sum is 63.

The spelling of 56402888868 in words is "fifty-six billion, four hundred two million, eight hundred eighty-eight thousand, eight hundred sixty-eight".