256575960 has 48 divisors (see below), whose sum is σ = 833873040. Its totient is φ = 68420160.

The previous prime is 256575953. The next prime is 256576009. The reversal of 256575960 is 69575652.

256575960 is a `hidden beast` number, since 2 + 5 + 6 + 57 + 596 + 0 = 666.

256575960 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×256575960³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 355996 + ... + 356715.

It is an arithmetic number, because the mean of its divisors is an integer number (17372355).

Almost surely, 2^256575960 is an apocalyptic number.

256575960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256575960 is an abundant number, since it is smaller than the sum of its proper divisors (577297080).

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

256575960 is a wasteful number, since it uses less digits than its factorization.

256575960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712728 (or 712721 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 45.

The square root of 256575960 is about 16017.9886377785. The cubic root of 256575960 is about 635.4362513621.

The spelling of 256575960 in words is "two hundred fifty-six million, five hundred seventy-five thousand, nine hundred sixty".