13312438464 has 112 divisors (see below), whose sum is σ = 39928474880. Its totient is φ = 3880535040.

The previous prime is 13312438453. The next prime is 13312438471. The reversal of 13312438464 is 46483421331.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92932 + ... + 187779.

It is an arithmetic number, because the mean of its divisors is an integer number (356504240).

Almost surely, 2^13312438464 is an apocalyptic number.

It is an amenable number.

13312438464 is an abundant number, since it is smaller than the sum of its proper divisors (26616036416).

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

13312438464 is a wasteful number, since it uses less digits than its factorization.

13312438464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280758 (or 280748 counting only the distinct ones).

The product of its digits is 165888, while the sum is 39.

Adding to 13312438464 its reverse (46483421331), we get a palindrome (59795859795).

The spelling of 13312438464 in words is "thirteen billion, three hundred twelve million, four hundred thirty-eight thousand, four hundred sixty-four".