255732732 has 18 divisors (see below), whose sum is σ = 646435608. Its totient is φ = 85244232.

The previous prime is 255732721. The next prime is 255732749. The reversal of 255732732 is 237237552.

255732732 is a `hidden beast` number, since 2 + 557 + 32 + 73 + 2 = 666.

255732732 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 7103687 = 255732732 / (2 + 5 + 5 + 7 + 3 + 2 + 7 + 3 + 2).

255732732 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3551808 + ... + 3551879.

Almost surely, 2^255732732 is an apocalyptic number.

It is an amenable number.

255732732 is an abundant number, since it is smaller than the sum of its proper divisors (390702876).

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

255732732 is a wasteful number, since it uses less digits than its factorization.

255732732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7103697 (or 7103692 counting only the distinct ones).

The product of its digits is 88200, while the sum is 36.

The square root of 255732732 is about 15991.6456939241. The cubic root of 255732732 is about 634.7393743106.

The spelling of 255732732 in words is "two hundred fifty-five million, seven hundred thirty-two thousand, seven hundred thirty-two".