518679327140 has 48 divisors (see below), whose sum is σ = 1174485502512. Its totient is φ = 191271998976.

The previous prime is 518679327121. The next prime is 518679327143. The reversal of 518679327140 is 41723976815.

It can be written as a sum of positive squares in 8 ways, for example, as 21834790756 + 496844536384 = 147766^2 + 704872^2 .

It is not an unprimeable number, because it can be changed into a prime (518679327143) by changing a digit.

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, 1044299 + ... + 1458738.

It is an arithmetic number, because the mean of its divisors is an integer number (24468447969).

It is a 1-persistent number, because it is pandigital, but 2⋅518679327140 = 1037358654280 is not.

Almost surely, 2^518679327140 is an apocalyptic number.

It is an amenable number.

518679327140 is an abundant number, since it is smaller than the sum of its proper divisors (655806175372).

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

518679327140 is a wasteful number, since it uses less digits than its factorization.

518679327140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503856 (or 2503854 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 518679327140 in words is "five hundred eighteen billion, six hundred seventy-nine million, three hundred twenty-seven thousand, one hundred forty".