255798632 has 8 divisors (see below), whose sum is σ = 479622450. Its totient is φ = 127899312.

The previous prime is 255798623. The next prime is 255798637. The reversal of 255798632 is 236897552.

It can be written as a sum of positive squares in only one way, i.e., 242300356 + 13498276 = 15566^2 + 3674^2 .

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 (255798637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15987407 + ... + 15987422.

Almost surely, 2^255798632 is an apocalyptic number.

It is an amenable number.

255798632 is a deficient number, since it is larger than the sum of its proper divisors (223823818).

255798632 is a wasteful number, since it uses less digits than its factorization.

255798632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31974835 (or 31974831 counting only the distinct ones).

The product of its digits is 907200, while the sum is 47.

The square root of 255798632 is about 15993.7060120536. The cubic root of 255798632 is about 634.7938918166.

The spelling of 255798632 in words is "two hundred fifty-five million, seven hundred ninety-eight thousand, six hundred thirty-two".