255832648 has 8 divisors (see below), whose sum is σ = 479686230. Its totient is φ = 127916320.

The previous prime is 255832639. The next prime is 255832649. The reversal of 255832648 is 846238552.

It can be written as a sum of positive squares in only one way, i.e., 237838084 + 17994564 = 15422^2 + 4242^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (255832649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15989533 + ... + 15989548.

Almost surely, 2^255832648 is an apocalyptic number.

It is an amenable number.

255832648 is a deficient number, since it is larger than the sum of its proper divisors (223853582).

255832648 is a wasteful number, since it uses less digits than its factorization.

255832648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31979087 (or 31979083 counting only the distinct ones).

The product of its digits is 460800, while the sum is 43.

The square root of 255832648 is about 15994.7693950241. The cubic root of 255832648 is about 634.8220287822.

The spelling of 255832648 in words is "two hundred fifty-five million, eight hundred thirty-two thousand, six hundred forty-eight".