515216008 has 64 divisors (see below), whose sum is σ = 1123632000. Its totient is φ = 219681792.

The previous prime is 515215993. The next prime is 515216017. The reversal of 515216008 is 800612515.

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, 55098 + ... + 63766.

It is an arithmetic number, because the mean of its divisors is an integer number (17556750).

Almost surely, 2^515216008 is an apocalyptic number.

It is an amenable number.

515216008 is an abundant number, since it is smaller than the sum of its proper divisors (608415992).

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

515216008 is a wasteful number, since it uses less digits than its factorization.

515216008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8734 (or 8730 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 515216008 is about 22698.3701617539. The cubic root of 515216008 is about 801.6715093051.

The spelling of 515216008 in words is "five hundred fifteen million, two hundred sixteen thousand, eight".