256680923104 has 24 divisors (see below), whose sum is σ = 505497659688. Its totient is φ = 128300565120.

The previous prime is 256680923089. The next prime is 256680923119. The reversal of 256680923104 is 401329086652.

It is an interprime number because it is at equal distance from previous prime (256680923089) and next prime (256680923119).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1142082 + ... + 1348225.

It is an arithmetic number, because the mean of its divisors is an integer number (21062402487).

Almost surely, 2^256680923104 is an apocalyptic number.

It is an amenable number.

256680923104 is a deficient number, since it is larger than the sum of its proper divisors (248816736584).

256680923104 is a wasteful number, since it uses less digits than its factorization.

256680923104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493538 (or 2493530 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 256680923104 in words is "two hundred fifty-six billion, six hundred eighty million, nine hundred twenty-three thousand, one hundred four".