513395940 has 48 divisors (see below), whose sum is σ = 1438661952. Its totient is φ = 136795776.

The previous prime is 513395917. The next prime is 513395977. The reversal of 513395940 is 49593315.

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, 95607 + ... + 100833.

It is an arithmetic number, because the mean of its divisors is an integer number (29972124).

Almost surely, 2^513395940 is an apocalyptic number.

It is an amenable number.

513395940 is an abundant number, since it is smaller than the sum of its proper divisors (925266012).

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

513395940 is a wasteful number, since it uses less digits than its factorization.

513395940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6876 (or 6874 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 39.

The square root of 513395940 is about 22658.2422089623. The cubic root of 513395940 is about 800.7263923264.

The spelling of 513395940 in words is "five hundred thirteen million, three hundred ninety-five thousand, nine hundred forty".