507515140 has 36 divisors (see below), whose sum is σ = 1171484748. Its totient is φ = 184550080.

The previous prime is 507515117. The next prime is 507515147. The reversal of 507515140 is 41515705.

It can be written as a sum of positive squares in 2 ways, for example, as 181279296 + 326235844 = 13464^2 + 18062^2 .

It is a junction number, because it is equal to n+sod(n) for n = 507515099 and 507515108.

It is not an unprimeable number, because it can be changed into a prime (507515147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102439 + ... + 107278.

It is an arithmetic number, because the mean of its divisors is an integer number (32541243).

Almost surely, 2^507515140 is an apocalyptic number.

It is an amenable number.

507515140 is an abundant number, since it is smaller than the sum of its proper divisors (663969608).

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

507515140 is a wasteful number, since it uses less digits than its factorization.

507515140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209748 (or 209735 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 507515140 is about 22528.0966794800. The cubic root of 507515140 is about 797.6572817021.

The spelling of 507515140 in words is "five hundred seven million, five hundred fifteen thousand, one hundred forty".