256275960 has 64 divisors (see below), whose sum is σ = 785203200. Its totient is φ = 66884736.

The previous prime is 256275947. The next prime is 256275973. The reversal of 256275960 is 69572652.

It is an interprime number because it is at equal distance from previous prime (256275947) and next prime (256275973).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17080 + ... + 28359.

It is an arithmetic number, because the mean of its divisors is an integer number (12268800).

Almost surely, 2^256275960 is an apocalyptic number.

256275960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256275960 is an abundant number, since it is smaller than the sum of its proper divisors (528927240).

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

256275960 is a wasteful number, since it uses less digits than its factorization.

256275960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45500 (or 45496 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 256275960 is about 16008.6214272185. The cubic root of 256275960 is about 635.1884946851.

The spelling of 256275960 in words is "two hundred fifty-six million, two hundred seventy-five thousand, nine hundred sixty".