256377376 has 48 divisors (see below), whose sum is σ = 515725056. Its totient is φ = 125427456.

The previous prime is 256377353. The next prime is 256377383. The reversal of 256377376 is 673773652.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422065 + ... + 422671.

It is an arithmetic number, because the mean of its divisors is an integer number (10744272).

Almost surely, 2^256377376 is an apocalyptic number.

It is an amenable number.

256377376 is an abundant number, since it is smaller than the sum of its proper divisors (259347680).

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

256377376 is a wasteful number, since it uses less digits than its factorization.

256377376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881 (or 873 counting only the distinct ones).

The product of its digits is 1111320, while the sum is 46.

The square root of 256377376 is about 16011.7886571114. The cubic root of 256377376 is about 635.2722712787.

The spelling of 256377376 in words is "two hundred fifty-six million, three hundred seventy-seven thousand, three hundred seventy-six".