318849144446 has 16 divisors (see below), whose sum is σ = 549189052800. Its totient is φ = 136002003480.

The previous prime is 318849144421. The next prime is 318849144487. The reversal of 318849144446 is 644441948813.

It is a junction number, because it is equal to n+sod(n) for n = 318849144391 and 318849144400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53966096 + ... + 53972003.

It is an arithmetic number, because the mean of its divisors is an integer number (34324315800).

Almost surely, 2^318849144446 is an apocalyptic number.

318849144446 is a deficient number, since it is larger than the sum of its proper divisors (230339908354).

318849144446 is a wasteful number, since it uses less digits than its factorization.

318849144446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107938319.

The product of its digits is 10616832, while the sum is 56.

The spelling of 318849144446 in words is "three hundred eighteen billion, eight hundred forty-nine million, one hundred forty-four thousand, four hundred forty-six".