256594496 has 28 divisors (see below), whose sum is σ = 510733548. Its totient is φ = 127905792.

The previous prime is 256594493. The next prime is 256594517. The reversal of 256594496 is 694495652.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 186704896 + 69889600 = 13664^2 + 8360^2 .

It is not an unprimeable number, because it can be changed into a prime (256594493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15620 + ... + 27516.

Almost surely, 2^256594496 is an apocalyptic number.

It is an amenable number.

256594496 is a deficient number, since it is larger than the sum of its proper divisors (254139052).

256594496 is a wasteful number, since it uses less digits than its factorization.

256594496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12246 (or 12236 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 50.

The square root of 256594496 is about 16018.5672268153. The cubic root of 256594496 is about 635.4515530850.

The spelling of 256594496 in words is "two hundred fifty-six million, five hundred ninety-four thousand, four hundred ninety-six".