255353868 has 72 divisors (see below), whose sum is σ = 804760320. Its totient is φ = 66324960.

The previous prime is 255353837. The next prime is 255353873. The reversal of 255353868 is 868353552.

255353868 is a `hidden beast` number, since 2 + 5 + 53 + 538 + 68 = 666.

It is a super-2 number, since 2×255353868² = 130411195805122848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43288 + ... + 48831.

Almost surely, 2^255353868 is an apocalyptic number.

255353868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

255353868 is an abundant number, since it is smaller than the sum of its proper divisors (549406452).

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

255353868 is a wasteful number, since it uses less digits than its factorization.

255353868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92147 (or 92142 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 255353868 is about 15979.7956182174. The cubic root of 255353868 is about 634.4257672751.

It can be divided in two parts, 25535 and 3868, that added together give a triangular number (29403 = T₂₄₂).

The spelling of 255353868 in words is "two hundred fifty-five million, three hundred fifty-three thousand, eight hundred sixty-eight".