256220376 has 16 divisors (see below), whose sum is σ = 640551000. Its totient is φ = 85406784.

The previous prime is 256220369. The next prime is 256220387. The reversal of 256220376 is 673022652.

It is a happy number.

256220376 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5337901 + ... + 5337948.

Almost surely, 2^256220376 is an apocalyptic number.

It is an amenable number.

256220376 is an abundant number, since it is smaller than the sum of its proper divisors (384330624).

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

256220376 is a wasteful number, since it uses less digits than its factorization.

256220376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10675858 (or 10675854 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 256220376 is about 16006.8852685337. The cubic root of 256220376 is about 635.1425691001.

The spelling of 256220376 in words is "two hundred fifty-six million, two hundred twenty thousand, three hundred seventy-six".