518264626432 has 144 divisors (see below), whose sum is σ = 1259822833920. Its totient is φ = 207714484224.

The previous prime is 518264626403. The next prime is 518264626441. The reversal of 518264626432 is 234626462815.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4728669 + ... + 4837027.

It is an arithmetic number, because the mean of its divisors is an integer number (8748769680).

Almost surely, 2^518264626432 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 518264626432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (629911416960).

518264626432 is an abundant number, since it is smaller than the sum of its proper divisors (741558207488).

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

518264626432 is a wasteful number, since it uses less digits than its factorization.

518264626432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108556 (or 108542 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 49.

The spelling of 518264626432 in words is "five hundred eighteen billion, two hundred sixty-four million, six hundred twenty-six thousand, four hundred thirty-two".