256295888 has 20 divisors (see below), whose sum is σ = 507140160. Its totient is φ = 125421024.

The previous prime is 256295887. The next prime is 256295903. The reversal of 256295888 is 888592652.

It is a happy number.

256295888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256295887) 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, 169658 + ... + 171161.

It is an arithmetic number, because the mean of its divisors is an integer number (25357008).

Almost surely, 2^256295888 is an apocalyptic number.

It is an amenable number.

256295888 is a deficient number, since it is larger than the sum of its proper divisors (250844272).

256295888 is a wasteful number, since it uses less digits than its factorization.

256295888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340874 (or 340868 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 53.

The square root of 256295888 is about 16009.2438297379. The cubic root of 256295888 is about 635.2049583287.

The spelling of 256295888 in words is "two hundred fifty-six million, two hundred ninety-five thousand, eight hundred eighty-eight".