256811324204 has 12 divisors (see below), whose sum is σ = 468959809584. Its totient is φ = 122822807184.

The previous prime is 256811324183. The next prime is 256811324243. The reversal of 256811324204 is 402423118652.

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, 1395713627 + ... + 1395713810.

It is an arithmetic number, because the mean of its divisors is an integer number (39079984132).

Almost surely, 2^256811324204 is an apocalyptic number.

It is an amenable number.

256811324204 is a deficient number, since it is larger than the sum of its proper divisors (212148485380).

256811324204 is a wasteful number, since it uses less digits than its factorization.

256811324204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791427464 (or 2791427462 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 256811324204 in words is "two hundred fifty-six billion, eight hundred eleven million, three hundred twenty-four thousand, two hundred four".