518340672 has 84 divisors (see below), whose sum is σ = 1563959280. Its totient is φ = 163683072.

The previous prime is 518340649. The next prime is 518340703. The reversal of 518340672 is 276043815.

518340672 is a `hidden beast` number, since 5 + 183 + 406 + 72 = 666.

It is a super-3 number, since 3×518340672³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12738 + ... + 34625.

Almost surely, 2^518340672 is an apocalyptic number.

It is an amenable number.

518340672 is an abundant number, since it is smaller than the sum of its proper divisors (1045618608).

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

518340672 is a wasteful number, since it uses less digits than its factorization.

518340672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47400 (or 47387 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 518340672 is about 22767.0962575380. The cubic root of 518340672 is about 803.2888937766.

The spelling of 518340672 in words is "five hundred eighteen million, three hundred forty thousand, six hundred seventy-two".