513894468 has 24 divisors (see below), whose sum is σ = 1200220672. Its totient is φ = 171136224.

The previous prime is 513894467. The next prime is 513894541. The reversal of 513894468 is 864498315.

It is not an unprimeable number, because it can be changed into a prime (513894467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6655 + ... + 32742.

Almost surely, 2^513894468 is an apocalyptic number.

It is an amenable number.

513894468 is an abundant number, since it is smaller than the sum of its proper divisors (686326204).

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

513894468 is a wasteful number, since it uses less digits than its factorization.

513894468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40491 (or 40489 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The square root of 513894468 is about 22669.2405695471. The cubic root of 513894468 is about 800.9854876026.

The spelling of 513894468 in words is "five hundred thirteen million, eight hundred ninety-four thousand, four hundred sixty-eight".