255284808 has 32 divisors (see below), whose sum is σ = 653056800. Its totient is φ = 83115648.

The previous prime is 255284791. The next prime is 255284863. The reversal of 255284808 is 808482552.

It is a self number, because there is not a number n which added to its sum of digits gives 255284808.

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, 122653 + ... + 124716.

It is an arithmetic number, because the mean of its divisors is an integer number (20408025).

Almost surely, 2^255284808 is an apocalyptic number.

It is an amenable number.

255284808 is an abundant number, since it is smaller than the sum of its proper divisors (397771992).

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

255284808 is a wasteful number, since it uses less digits than its factorization.

255284808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247421 (or 247417 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 42.

The square root of 255284808 is about 15977.6346184283. The cubic root of 255284808 is about 634.3685690111.

The spelling of 255284808 in words is "two hundred fifty-five million, two hundred eighty-four thousand, eight hundred eight".