256073264 has 40 divisors (see below), whose sum is σ = 503316000. Its totient is φ = 126199296.

The previous prime is 256073239. The next prime is 256073267. The reversal of 256073264 is 462370652.

256073264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×256073264² = 131147033071227392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (256073267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625892 + ... + 626300.

It is an arithmetic number, because the mean of its divisors is an integer number (12582900).

Almost surely, 2^256073264 is an apocalyptic number.

It is an amenable number.

256073264 is a deficient number, since it is larger than the sum of its proper divisors (247242736).

256073264 is a wasteful number, since it uses less digits than its factorization.

256073264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885 (or 879 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 256073264 is about 16002.2893362169. The cubic root of 256073264 is about 635.0209875883.

The spelling of 256073264 in words is "two hundred fifty-six million, seventy-three thousand, two hundred sixty-four".