515480640 has 224 divisors, whose sum is σ = 1755648000. Its totient is φ = 127752192.

The previous prime is 515480599. The next prime is 515480653. The reversal of 515480640 is 46084515.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1075921 + ... + 1076399.

Almost surely, 2^515480640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 515480640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (877824000).

515480640 is an abundant number, since it is smaller than the sum of its proper divisors (1240167360).

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

515480640 is a wasteful number, since it uses less digits than its factorization.

515480640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 515480640 is about 22704.1987306313. The cubic root of 515480640 is about 801.8087408222.

The spelling of 515480640 in words is "five hundred fifteen million, four hundred eighty thousand, six hundred forty".