255604648 has 16 divisors (see below), whose sum is σ = 516124980. Its totient is φ = 117971328.

The previous prime is 255604627. The next prime is 255604649. The reversal of 255604648 is 846406552.

It can be written as a sum of positive squares in 2 ways, for example, as 243921924 + 11682724 = 15618^2 + 3418^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 255604648.

It is not an unprimeable number, because it can be changed into a prime (255604649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1228765 + ... + 1228972.

Almost surely, 2^255604648 is an apocalyptic number.

It is an amenable number.

255604648 is an abundant number, since it is smaller than the sum of its proper divisors (260520332).

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

255604648 is a wasteful number, since it uses less digits than its factorization.

255604648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457756 (or 2457752 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The square root of 255604648 is about 15987.6404763179. The cubic root of 255604648 is about 634.6333866593.

The spelling of 255604648 in words is "two hundred fifty-five million, six hundred four thousand, six hundred forty-eight".