518212871871480 has 96 divisors (see below), whose sum is σ = 1684238045068800. Its totient is φ = 138186307454208.

The previous prime is 518212871871463. The next prime is 518212871871509. The reversal of 518212871871480 is 84178178212815.

518212871871480 is a `hidden beast` number, since 5 + 1 + 8 + 2 + 1 + 2 + 8 + 71 + 87 + 1 + 480 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6597819 + ... + 32862698.

It is an arithmetic number, because the mean of its divisors is an integer number (17544146302800).

Almost surely, 2^{518212871871480} is an apocalyptic number.

It is an amenable number.

518212871871480 is an abundant number, since it is smaller than the sum of its proper divisors (1166025173197320).

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

518212871871480 is a wasteful number, since it uses less digits than its factorization.

518212871871480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39497013 (or 39497006 counting only the distinct ones).

The product of its (nonzero) digits is 16056320, while the sum is 63.

The spelling of 518212871871480 in words is "five hundred eighteen trillion, two hundred twelve billion, eight hundred seventy-one million, eight hundred seventy-one thousand, four hundred eighty".