255950999056 has 45 divisors (see below), whose sum is σ = 502575712653. Its totient is φ = 126276633600.

The previous prime is 255950999041. The next prime is 255950999069. The reversal of 255950999056 is 650999059552.

It is a happy number.

The square root of 255950999056 is 505916.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 255311920656 + 639078400 = 505284^2 + 25280^2 .

It is a super-2 number, since 2×255950999056² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 159868656 + ... + 159870256.

Almost surely, 2^255950999056 is an apocalyptic number.

255950999056 is the 505916-th square number.

It is an amenable number.

255950999056 is a deficient number, since it is larger than the sum of its proper divisors (246624713597).

255950999056 is an frugal number, since it uses more digits than its factorization.

255950999056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368 (or 1682 counting only the distinct ones).

The product of its (nonzero) digits is 49207500, while the sum is 64.

Multiplying 255950999056 by its sum of digits (64), we get a square (16380863939584 = 4047328²).

The spelling of 255950999056 in words is "two hundred fifty-five billion, nine hundred fifty million, nine hundred ninety-nine thousand, fifty-six".