255172800 has 84 divisors (see below), whose sum is σ = 837195176. Its totient is φ = 68044800.

The previous prime is 255172777. The next prime is 255172829. The reversal of 255172800 is 8271552.

It is a super-2 number, since 2×255172800² = 130226315719680000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 21781 + ... + 31380.

Almost surely, 2^255172800 is an apocalyptic number.

255172800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255172800 is an abundant number, since it is smaller than the sum of its proper divisors (582022376).

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

255172800 is a wasteful number, since it uses less digits than its factorization.

255172800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53186 (or 53171 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 255172800 is about 15974.1290842412. The cubic root of 255172800 is about 634.2757775525.

The spelling of 255172800 in words is "two hundred fifty-five million, one hundred seventy-two thousand, eight hundred".