518440083075 has 72 divisors (see below), whose sum is σ = 1007187317136. Its totient is φ = 253889280000.

The previous prime is 518440083019. The next prime is 518440083121. The reversal of 518440083075 is 570380044815.

It is not a de Polignac number, because 518440083075 - 2⁶ = 518440083011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 518440083075.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1496101 + ... + 1809750.

It is an arithmetic number, because the mean of its divisors is an integer number (13988712738).

Almost surely, 2^518440083075 is an apocalyptic number.

518440083075 is a deficient number, since it is larger than the sum of its proper divisors (488747234061).

518440083075 is a wasteful number, since it uses less digits than its factorization.

518440083075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305925 (or 3305917 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 518440083075 in words is "five hundred eighteen billion, four hundred forty million, eighty-three thousand, seventy-five".