255617672 has 16 divisors (see below), whose sum is σ = 479460060. Its totient is φ = 127761664.

The previous prime is 255617669. The next prime is 255617683. The reversal of 255617672 is 276716552.

255617672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 251349316 + 4268356 = 15854^2 + 2066^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29948 + ... + 37524.

Almost surely, 2^255617672 is an apocalyptic number.

It is an amenable number.

255617672 is a deficient number, since it is larger than the sum of its proper divisors (223842388).

255617672 is a wasteful number, since it uses less digits than its factorization.

255617672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11800 (or 11796 counting only the distinct ones).

The product of its digits is 176400, while the sum is 41.

The square root of 255617672 is about 15988.0477857680. The cubic root of 255617672 is about 634.6441654472.

It can be divided in two parts, 25561 and 7672, that added together give a palindrome (33233).

The spelling of 255617672 in words is "two hundred fifty-five million, six hundred seventeen thousand, six hundred seventy-two".