256474376 has 32 divisors (see below), whose sum is σ = 526743000. Its totient is φ = 116530176.

The previous prime is 256474349. The next prime is 256474381. The reversal of 256474376 is 673474652.

256474376 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 250588900 + 5885476 = 15830^2 + 2426^2 .

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, 28571 + ... + 36458.

Almost surely, 2^256474376 is an apocalyptic number.

It is an amenable number.

256474376 is an abundant number, since it is smaller than the sum of its proper divisors (270268624).

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

256474376 is a wasteful number, since it uses less digits than its factorization.

256474376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65081 (or 65077 counting only the distinct ones).

The product of its digits is 846720, while the sum is 44.

The square root of 256474376 is about 16014.8173889058. The cubic root of 256474376 is about 635.3523792838.

The spelling of 256474376 in words is "two hundred fifty-six million, four hundred seventy-four thousand, three hundred seventy-six".