515560488940 has 24 divisors (see below), whose sum is σ = 1237345173792. Its totient is φ = 176763596160.

The previous prime is 515560488899. The next prime is 515560488967. The reversal of 515560488940 is 49884065515.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1841287321 + ... + 1841287600.

It is an arithmetic number, because the mean of its divisors is an integer number (51556048908).

Almost surely, 2^515560488940 is an apocalyptic number.

It is an amenable number.

515560488940 is an abundant number, since it is smaller than the sum of its proper divisors (721784684852).

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

515560488940 is a wasteful number, since it uses less digits than its factorization.

515560488940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682574937 (or 3682574935 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 55.

The spelling of 515560488940 in words is "five hundred fifteen billion, five hundred sixty million, four hundred eighty-eight thousand, nine hundred forty".