256682328 has 64 divisors (see below), whose sum is σ = 734780160. Its totient is φ = 73197696.

The previous prime is 256682299. The next prime is 256682341. The reversal of 256682328 is 823286652.

256682328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 256682328.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113626 + ... + 115862.

It is an arithmetic number, because the mean of its divisors is an integer number (11480940).

Almost surely, 2^256682328 is an apocalyptic number.

256682328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

256682328 is an abundant number, since it is smaller than the sum of its proper divisors (478097832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256682328 is a wasteful number, since it uses less digits than its factorization.

256682328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936 (or 2932 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 256682328 is about 16021.3085607887. The cubic root of 256682328 is about 635.5240495917.

The spelling of 256682328 in words is "two hundred fifty-six million, six hundred eighty-two thousand, three hundred twenty-eight".