256496604704 has 12 divisors (see below), whose sum is σ = 504977690574. Its totient is φ = 128248302336.

The previous prime is 256496604667. The next prime is 256496604731. The reversal of 256496604704 is 407406694652.

256496604704 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 223861459600 + 32635145104 = 473140^2 + 180652^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4007759417 + ... + 4007759480.

Almost surely, 2^256496604704 is an apocalyptic number.

It is an amenable number.

256496604704 is a deficient number, since it is larger than the sum of its proper divisors (248481085870).

256496604704 is an equidigital number, since it uses as much as digits as its factorization.

256496604704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8015518907 (or 8015518899 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 256496604704 in words is "two hundred fifty-six billion, four hundred ninety-six million, six hundred four thousand, seven hundred four".