518056818396 has 96 divisors (see below), whose sum is σ = 1334117433600. Its totient is φ = 155446279680.

The previous prime is 518056818353. The next prime is 518056818439. The reversal of 518056818396 is 693818650815.

It is an interprime number because it is at equal distance from previous prime (518056818353) and next prime (518056818439).

It is a super-2 number, since 2×518056818396² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15711295 + ... + 15744233.

It is an arithmetic number, because the mean of its divisors is an integer number (13897056600).

Almost surely, 2^518056818396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 518056818396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (667058716800).

518056818396 is an abundant number, since it is smaller than the sum of its proper divisors (816060615204).

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

518056818396 is a wasteful number, since it uses less digits than its factorization.

518056818396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35459 (or 35457 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 60.

The spelling of 518056818396 in words is "five hundred eighteen billion, fifty-six million, eight hundred eighteen thousand, three hundred ninety-six".