255871424 has 28 divisors (see below), whose sum is σ = 514709664. Its totient is φ = 126180864.

The previous prime is 255871411. The next prime is 255871453. The reversal of 255871424 is 424178552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22712 + ... + 32055.

It is an arithmetic number, because the mean of its divisors is an integer number (18382488).

Almost surely, 2^255871424 is an apocalyptic number.

It is an amenable number.

255871424 is an abundant number, since it is smaller than the sum of its proper divisors (258838240).

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

255871424 is an equidigital number, since it uses as much as digits as its factorization.

255871424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54852 (or 54842 counting only the distinct ones).

The product of its digits is 89600, while the sum is 38.

The square root of 255871424 is about 15995.9814953631. The cubic root of 255871424 is about 634.8541000283.

The spelling of 255871424 in words is "two hundred fifty-five million, eight hundred seventy-one thousand, four hundred twenty-four".