256340876 has 24 divisors (see below), whose sum is σ = 490473984. Its totient is φ = 116257680.

The previous prime is 256340827. The next prime is 256340879. The reversal of 256340876 is 678043652.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (256340879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14081 + ... + 26663.

It is an arithmetic number, because the mean of its divisors is an integer number (20436416).

Almost surely, 2^256340876 is an apocalyptic number.

It is an amenable number.

256340876 is a deficient number, since it is larger than the sum of its proper divisors (234133108).

256340876 is a wasteful number, since it uses less digits than its factorization.

256340876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13061 (or 13059 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 256340876 is about 16010.6488313247. The cubic root of 256340876 is about 635.2421223127.

The spelling of 256340876 in words is "two hundred fifty-six million, three hundred forty thousand, eight hundred seventy-six".