255180899538 has 48 divisors (see below), whose sum is σ = 557276930496. Its totient is φ = 84386072160.

The previous prime is 255180899513. The next prime is 255180899569. The reversal of 255180899538 is 835998081552.

255180899538 is a `hidden beast` number, since 2 + 5 + 5 + 1 + 8 + 0 + 8 + 99 + 538 = 666.

It is a super-2 number, since 2×255180899538² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9071331 + ... + 9099417.

It is an arithmetic number, because the mean of its divisors is an integer number (11609936052).

Almost surely, 2^255180899538 is an apocalyptic number.

255180899538 is an abundant number, since it is smaller than the sum of its proper divisors (302096030958).

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

255180899538 is a wasteful number, since it uses less digits than its factorization.

255180899538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32079 (or 32076 counting only the distinct ones).

The product of its (nonzero) digits is 31104000, while the sum is 63.

The spelling of 255180899538 in words is "two hundred fifty-five billion, one hundred eighty million, eight hundred ninety-nine thousand, five hundred thirty-eight".