256631677045110 has 48 divisors (see below), whose sum is σ = 670928782240080. Its totient is φ = 68057019322560.

The previous prime is 256631677045109. The next prime is 256631677045147. The reversal of 256631677045110 is 11540776136652.

256631677045110 is a `hidden beast` number, since 2 + 5 + 6 + 63 + 1 + 67 + 7 + 0 + 4 + 511 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7876953540 + ... + 7876986119.

It is an arithmetic number, because the mean of its divisors is an integer number (13977682963335).

Almost surely, 2^{256631677045110} is an apocalyptic number.

256631677045110 is an abundant number, since it is smaller than the sum of its proper divisors (414297105194970).

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

256631677045110 is a wasteful number, since it uses less digits than its factorization.

256631677045110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15753939853 (or 15753939850 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 256631677045110 in words is "two hundred fifty-six trillion, six hundred thirty-one billion, six hundred seventy-seven million, forty-five thousand, one hundred ten".