318822249464 has 8 divisors (see below), whose sum is σ = 597791717760. Its totient is φ = 159411124728.

The previous prime is 318822249397. The next prime is 318822249469. The reversal of 318822249464 is 464942228813.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318822249469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19926390584 + ... + 19926390599.

It is an arithmetic number, because the mean of its divisors is an integer number (74723964720).

Almost surely, 2^318822249464 is an apocalyptic number.

It is an amenable number.

318822249464 is a deficient number, since it is larger than the sum of its proper divisors (278969468296).

318822249464 is a wasteful number, since it uses less digits than its factorization.

318822249464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39852781189 (or 39852781185 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 53.

The spelling of 318822249464 in words is "three hundred eighteen billion, eight hundred twenty-two million, two hundred forty-nine thousand, four hundred sixty-four".