255612920 has 32 divisors (see below), whose sum is σ = 576061200. Its totient is φ = 102079488.

The previous prime is 255612919. The next prime is 255612923. The reversal of 255612920 is 29216552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255612923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21512 + ... + 31208.

Almost surely, 2^255612920 is an apocalyptic number.

255612920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255612920 is an abundant number, since it is smaller than the sum of its proper divisors (320448280).

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

255612920 is a wasteful number, since it uses less digits than its factorization.

255612920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10367 (or 10363 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 255612920 is about 15987.8991740629. The cubic root of 255612920 is about 634.6402326886.

The spelling of 255612920 in words is "two hundred fifty-five million, six hundred twelve thousand, nine hundred twenty".