255639848 has 16 divisors (see below), whose sum is σ = 500165280. Its totient is φ = 122262448.

The previous prime is 255639833. The next prime is 255639877. The reversal of 255639848 is 848936552.

It is a junction number, because it is equal to n+sod(n) for n = 255639796 and 255639805.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694490 + ... + 694857.

It is an arithmetic number, because the mean of its divisors is an integer number (31260330).

Almost surely, 2^255639848 is an apocalyptic number.

It is an amenable number.

255639848 is a deficient number, since it is larger than the sum of its proper divisors (244525432).

255639848 is a wasteful number, since it uses less digits than its factorization.

255639848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389376 (or 1389372 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 50.

The square root of 255639848 is about 15988.7412887944. The cubic root of 255639848 is about 634.6625176760.

The spelling of 255639848 in words is "two hundred fifty-five million, six hundred thirty-nine thousand, eight hundred forty-eight".