256377044 has 48 divisors (see below), whose sum is σ = 583704576. Its totient is φ = 95541600.

The previous prime is 256377031. The next prime is 256377053. The reversal of 256377044 is 440773652.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 256376989 and 256377007.

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, 11012 + ... + 25179.

It is an arithmetic number, because the mean of its divisors is an integer number (12160512).

Almost surely, 2^256377044 is an apocalyptic number.

It is an amenable number.

256377044 is an abundant number, since it is smaller than the sum of its proper divisors (327327532).

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

256377044 is a wasteful number, since it uses less digits than its factorization.

256377044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36236 (or 36234 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 256377044 is about 16011.7782897466. The cubic root of 256377044 is about 635.2719970599.

The spelling of 256377044 in words is "two hundred fifty-six million, three hundred seventy-seven thousand, forty-four".