256682316 has 24 divisors (see below), whose sum is σ = 653373504. Its totient is φ = 77782480.

The previous prime is 256682299. The next prime is 256682341. The reversal of 256682316 is 613286652.

256682316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×256682316² = 131771622694247712, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 972150 + ... + 972413.

It is an arithmetic number, because the mean of its divisors is an integer number (27223896).

Almost surely, 2^256682316 is an apocalyptic number.

It is an amenable number.

256682316 is an abundant number, since it is smaller than the sum of its proper divisors (396691188).

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

256682316 is a wasteful number, since it uses less digits than its factorization.

256682316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944581 (or 1944579 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 256682316 is about 16021.3081862874. The cubic root of 256682316 is about 635.5240396880.

The spelling of 256682316 in words is "two hundred fifty-six million, six hundred eighty-two thousand, three hundred sixteen".