256680762 has 32 divisors (see below), whose sum is σ = 560649600. Its totient is φ = 77864640.

The previous prime is 256680751. The next prime is 256680763. The reversal of 256680762 is 267086652.

It is not an unprimeable number, because it can be changed into a prime (256680763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17637 + ... + 28712.

It is an arithmetic number, because the mean of its divisors is an integer number (17520300).

Almost surely, 2^256680762 is an apocalyptic number.

256680762 is an abundant number, since it is smaller than the sum of its proper divisors (303968838).

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

256680762 is a wasteful number, since it uses less digits than its factorization.

256680762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46438.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 256680762 is about 16021.2596883017. The cubic root of 256680762 is about 635.5227571605.

The spelling of 256680762 in words is "two hundred fifty-six million, six hundred eighty thousand, seven hundred sixty-two".