256793760250 has 32 divisors (see below), whose sum is σ = 497294413200. Its totient is φ = 99175518400.

The previous prime is 256793760227. The next prime is 256793760271. The reversal of 256793760250 is 52067397652.

It can be written as a sum of positive squares in 8 ways, for example, as 21591069721 + 235202690529 = 146939^2 + 484977^2 .

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, 17702665 + ... + 17717164.

Almost surely, 2^256793760250 is an apocalyptic number.

256793760250 is a deficient number, since it is larger than the sum of its proper divisors (240500652950).

256793760250 is a wasteful number, since it uses less digits than its factorization.

256793760250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35419875 (or 35419865 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 52.

The spelling of 256793760250 in words is "two hundred fifty-six billion, seven hundred ninety-three million, seven hundred sixty thousand, two hundred fifty".