318064645344 has 24 divisors (see below), whose sum is σ = 834919694280. Its totient is φ = 106021548416.

The previous prime is 318064645307. The next prime is 318064645351. The reversal of 318064645344 is 443546460813.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 318064645293 and 318064645302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1656586599 + ... + 1656586790.

It is an arithmetic number, because the mean of its divisors is an integer number (34788320595).

Almost surely, 2^318064645344 is an apocalyptic number.

It is an amenable number.

318064645344 is an abundant number, since it is smaller than the sum of its proper divisors (516855048936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

318064645344 is a wasteful number, since it uses less digits than its factorization.

318064645344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313173402 (or 3313173394 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 48.

The spelling of 318064645344 in words is "three hundred eighteen billion, sixty-four million, six hundred forty-five thousand, three hundred forty-four".