255881592 has 40 divisors (see below), whose sum is σ = 716707200. Its totient is φ = 85293648.

The previous prime is 255881579. The next prime is 255881609. The reversal of 255881592 is 295188552.

It is a happy number.

255881592 is a `hidden beast` number, since 2 + 5 + 58 + 8 + 1 + 592 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 196792 + ... + 198087.

It is an arithmetic number, because the mean of its divisors is an integer number (17917680).

Almost surely, 2^255881592 is an apocalyptic number.

It is an amenable number.

255881592 is an abundant number, since it is smaller than the sum of its proper divisors (460825608).

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

255881592 is a wasteful number, since it uses less digits than its factorization.

255881592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394897 (or 394884 counting only the distinct ones).

The product of its digits is 288000, while the sum is 45.

The square root of 255881592 is about 15996.2993220307. The cubic root of 255881592 is about 634.8625093443.

The spelling of 255881592 in words is "two hundred fifty-five million, eight hundred eighty-one thousand, five hundred ninety-two".