515994980 has 48 divisors (see below), whose sum is σ = 1098499584. Its totient is φ = 203575680.

The previous prime is 515994979. The next prime is 515995001. The reversal of 515994980 is 89499515.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 953510 + ... + 954050.

It is an arithmetic number, because the mean of its divisors is an integer number (22885408).

Almost surely, 2^515994980 is an apocalyptic number.

It is an amenable number.

515994980 is an abundant number, since it is smaller than the sum of its proper divisors (582504604).

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

515994980 is a wasteful number, since it uses less digits than its factorization.

515994980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116 (or 1114 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 50.

The square root of 515994980 is about 22715.5228863436. The cubic root of 515994980 is about 802.0753303495.

The spelling of 515994980 in words is "five hundred fifteen million, nine hundred ninety-four thousand, nine hundred eighty".