255664032 has 48 divisors (see below), whose sum is σ = 722746080. Its totient is φ = 78665472.

The previous prime is 255664009. The next prime is 255664049. The reversal of 255664032 is 230466552.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 255663984 and 255664002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101182 + ... + 103677.

It is an arithmetic number, because the mean of its divisors is an integer number (15057210).

Almost surely, 2^255664032 is an apocalyptic number.

It is an amenable number.

255664032 is an abundant number, since it is smaller than the sum of its proper divisors (467082048).

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

255664032 is a wasteful number, since it uses less digits than its factorization.

255664032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204885 (or 204877 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 255664032 is about 15989.4975530815. The cubic root of 255664032 is about 634.6825304590.

The spelling of 255664032 in words is "two hundred fifty-five million, six hundred sixty-four thousand, thirty-two".