518788307412 has 24 divisors (see below), whose sum is σ = 1345006723200. Its totient is φ = 172929435768.

The previous prime is 518788307393. The next prime is 518788307501. The reversal of 518788307412 is 214703887815.

518788307412 is a `hidden beast` number, since 518 + 7 + 8 + 83 + 0 + 7 + 41 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 7 ways as a sum of consecutive naturals, for example, 2401797612 + ... + 2401797827.

It is an arithmetic number, because the mean of its divisors is an integer number (56041946800).

Almost surely, 2^518788307412 is an apocalyptic number.

It is an amenable number.

518788307412 is an abundant number, since it is smaller than the sum of its proper divisors (826218415788).

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

518788307412 is a wasteful number, since it uses less digits than its factorization.

518788307412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4803595452 (or 4803595444 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 54.

The spelling of 518788307412 in words is "five hundred eighteen billion, seven hundred eighty-eight million, three hundred seven thousand, four hundred twelve".