255938544 has 30 divisors (see below), whose sum is σ = 716272856. Its totient is φ = 85312800.

The previous prime is 255938521. The next prime is 255938561. The reversal of 255938544 is 445839552.

255938544 is a `hidden beast` number, since 2 + 5 + 593 + 8 + 54 + 4 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 255938544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 888532 + ... + 888819.

Almost surely, 2^255938544 is an apocalyptic number.

255938544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

255938544 is an abundant number, since it is smaller than the sum of its proper divisors (460334312).

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

255938544 is a wasteful number, since it uses less digits than its factorization.

255938544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777365 (or 1777356 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 255938544 is about 15998.0793847262. The cubic root of 255938544 is about 634.9096066589.

The spelling of 255938544 in words is "two hundred fifty-five million, nine hundred thirty-eight thousand, five hundred forty-four".