318445645342 has 16 divisors (see below), whose sum is σ = 521163454464. Its totient is φ = 144728415000.

The previous prime is 318445645291. The next prime is 318445645381. The reversal of 318445645342 is 243546544813.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 813534 + ... + 1139617.

It is an arithmetic number, because the mean of its divisors is an integer number (32572715904).

Almost surely, 2^318445645342 is an apocalyptic number.

318445645342 is a deficient number, since it is larger than the sum of its proper divisors (202717809122).

318445645342 is a wasteful number, since it uses less digits than its factorization.

318445645342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960575.

The product of its digits is 5529600, while the sum is 49.

The spelling of 318445645342 in words is "three hundred eighteen billion, four hundred forty-five million, six hundred forty-five thousand, three hundred forty-two".