518054142880 has 48 divisors (see below), whose sum is σ = 1288318862880. Its totient is φ = 196315252992.

The previous prime is 518054142871. The next prime is 518054142923. The reversal of 518054142880 is 88241450815.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 518054142880.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85203234 + ... + 85209313.

It is an arithmetic number, because the mean of its divisors is an integer number (26839976310).

Almost surely, 2^518054142880 is an apocalyptic number.

It is an amenable number.

518054142880 is an abundant number, since it is smaller than the sum of its proper divisors (770264720000).

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

518054142880 is a wasteful number, since it uses less digits than its factorization.

518054142880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170412581 (or 170412573 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 46.

The spelling of 518054142880 in words is "five hundred eighteen billion, fifty-four million, one hundred forty-two thousand, eight hundred eighty".