518006412 has 72 divisors (see below), whose sum is σ = 1632513792. Its totient is φ = 134546400.

The previous prime is 518006389. The next prime is 518006429. The reversal of 518006412 is 214600815.

518006412 is a `hidden beast` number, since 5 + 18 + 0 + 0 + 641 + 2 = 666.

It is a super-2 number, since 2×518006412² = 536661285746227488, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90664 + ... + 96207.

Almost surely, 2^518006412 is an apocalyptic number.

It is an amenable number.

518006412 is an abundant number, since it is smaller than the sum of its proper divisors (1114507380).

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

518006412 is a wasteful number, since it uses less digits than its factorization.

518006412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186899 (or 186894 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 518006412 is about 22759.7542165991. The cubic root of 518006412 is about 803.1161855573.

The spelling of 518006412 in words is "five hundred eighteen million, six thousand, four hundred twelve".