256063152264 has 64 divisors (see below), whose sum is σ = 647093059200. Its totient is φ = 84430608384.

The previous prime is 256063152223. The next prime is 256063152271. The reversal of 256063152264 is 462251360652.

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, 4621477 + ... + 4676555.

It is an arithmetic number, because the mean of its divisors is an integer number (10110829050).

Almost surely, 2^256063152264 is an apocalyptic number.

256063152264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

256063152264 is an abundant number, since it is smaller than the sum of its proper divisors (391029906936).

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

256063152264 is a wasteful number, since it uses less digits than its factorization.

256063152264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57182 (or 57178 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 256063152264 in words is "two hundred fifty-six billion, sixty-three million, one hundred fifty-two thousand, two hundred sixty-four".