318858412642 has 64 divisors (see below), whose sum is σ = 633450470400. Its totient is φ = 116612239680.

The previous prime is 318858412637. The next prime is 318858412679. The reversal of 318858412642 is 246214858813.

It is a self number, because there is not a number n which added to its sum of digits gives 318858412642.

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 in 31 ways as a sum of consecutive naturals, for example, 180948 + ... + 818815.

It is an arithmetic number, because the mean of its divisors is an integer number (9897663600).

Almost surely, 2^318858412642 is an apocalyptic number.

318858412642 is a deficient number, since it is larger than the sum of its proper divisors (314592057758).

318858412642 is a wasteful number, since it uses less digits than its factorization.

318858412642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999911.

The product of its digits is 2949120, while the sum is 52.

The spelling of 318858412642 in words is "three hundred eighteen billion, eight hundred fifty-eight million, four hundred twelve thousand, six hundred forty-two".