255931632 has 60 divisors (see below), whose sum is σ = 781371864. Its totient is φ = 77554560.

The previous prime is 255931601. The next prime is 255931633. The reversal of 255931632 is 236139552.

255931632 is a `hidden beast` number, since 2 + 5 + 593 + 1 + 63 + 2 = 666.

255931632 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×255931632³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255931633) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 79203 + ... + 82370.

Almost surely, 2^255931632 is an apocalyptic number.

255931632 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

255931632 is an abundant number, since it is smaller than the sum of its proper divisors (525440232).

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

255931632 is a wasteful number, since it uses less digits than its factorization.

255931632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161598 (or 161589 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 255931632 is about 15997.8633573362. The cubic root of 255931632 is about 634.9038910489.

It can be divided in two parts, 25593 and 1632, that added together give a square (27225 = 165²).

The spelling of 255931632 in words is "two hundred fifty-five million, nine hundred thirty-one thousand, six hundred thirty-two".