255488664 has 32 divisors (see below), whose sum is σ = 639198000. Its totient is φ = 85099392.

The previous prime is 255488627. The next prime is 255488683. The reversal of 255488664 is 466884552.

255488664 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 37902 + ... + 44130.

Almost surely, 2^255488664 is an apocalyptic number.

255488664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

255488664 is an abundant number, since it is smaller than the sum of its proper divisors (383709336).

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

255488664 is a wasteful number, since it uses less digits than its factorization.

255488664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7947 (or 7943 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 48.

The square root of 255488664 is about 15984.0127627577. The cubic root of 255488664 is about 634.5373810304.

The spelling of 255488664 in words is "two hundred fifty-five million, four hundred eighty-eight thousand, six hundred sixty-four".