256352874612 has 48 divisors (see below), whose sum is σ = 599720067072. Its totient is φ = 85227740640.

The previous prime is 256352874593. The next prime is 256352874629. The reversal of 256352874612 is 216478253652.

It is a congruent number.

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, 28457013 + ... + 28466019.

It is an arithmetic number, because the mean of its divisors is an integer number (12494168064).

Almost surely, 2^256352874612 is an apocalyptic number.

It is an amenable number.

256352874612 is an abundant number, since it is smaller than the sum of its proper divisors (343367192460).

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

256352874612 is a wasteful number, since it uses less digits than its factorization.

256352874612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14948 (or 14946 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 51.

The spelling of 256352874612 in words is "two hundred fifty-six billion, three hundred fifty-two million, eight hundred seventy-four thousand, six hundred twelve".