518130084 has 12 divisors (see below), whose sum is σ = 1208970224. Its totient is φ = 172710024.

The previous prime is 518130077. The next prime is 518130121. The reversal of 518130084 is 480031815.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 21588742 + ... + 21588765.

Almost surely, 2^518130084 is an apocalyptic number.

It is an amenable number.

518130084 is an abundant number, since it is smaller than the sum of its proper divisors (690840140).

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

518130084 is a wasteful number, since it uses less digits than its factorization.

518130084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43177514 (or 43177512 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 518130084 is about 22762.4709555004. The cubic root of 518130084 is about 803.1800940852.

Adding to 518130084 its reverse (480031815), we get a palindrome (998161899).

The spelling of 518130084 in words is "five hundred eighteen million, one hundred thirty thousand, eighty-four".