255567984 has 40 divisors (see below), whose sum is σ = 754535040. Its totient is φ = 73019328.

The previous prime is 255567971. The next prime is 255568003. The reversal of 255567984 is 489765552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379974 + ... + 380645.

It is an arithmetic number, because the mean of its divisors is an integer number (18863376).

Almost surely, 2^255567984 is an apocalyptic number.

255567984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

255567984 is an abundant number, since it is smaller than the sum of its proper divisors (498967056).

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

255567984 is a wasteful number, since it uses less digits than its factorization.

255567984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760637 (or 760631 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 51.

The square root of 255567984 is about 15986.4937994546. The cubic root of 255567984 is about 634.6030412133.

The spelling of 255567984 in words is "two hundred fifty-five million, five hundred sixty-seven thousand, nine hundred eighty-four".