255645572200 has 48 divisors (see below), whose sum is σ = 604450152000. Its totient is φ = 100525033920.

The previous prime is 255645572173. The next prime is 255645572213. The reversal of 255645572200 is 2275546552.

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, 10820640 + ... + 10844239.

It is an arithmetic number, because the mean of its divisors is an integer number (12592711500).

Almost surely, 2^255645572200 is an apocalyptic number.

255645572200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255645572200 is an abundant number, since it is smaller than the sum of its proper divisors (348804579800).

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

255645572200 is a wasteful number, since it uses less digits than its factorization.

255645572200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21664954 (or 21664945 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 43.

The spelling of 255645572200 in words is "two hundred fifty-five billion, six hundred forty-five million, five hundred seventy-two thousand, two hundred".