518286044 has 6 divisors (see below), whose sum is σ = 907000584. Its totient is φ = 259143020.

The previous prime is 518286037. The next prime is 518286053. The reversal of 518286044 is 440682815.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 518285989 and 518286007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64785752 + ... + 64785759.

It is an arithmetic number, because the mean of its divisors is an integer number (151166764).

Almost surely, 2^518286044 is an apocalyptic number.

It is an amenable number.

518286044 is a deficient number, since it is larger than the sum of its proper divisors (388714540).

518286044 is a wasteful number, since it uses less digits than its factorization.

518286044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129571515 (or 129571513 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 518286044 is about 22765.8965121078. The cubic root of 518286044 is about 803.2606732068.

The spelling of 518286044 in words is "five hundred eighteen million, two hundred eighty-six thousand, forty-four".