13340632064 has 44 divisors (see below), whose sum is σ = 26683160844. Its totient is φ = 6666584064.

The previous prime is 13340632049. The next prime is 13340632091. The reversal of 13340632064 is 46023604331.

It can be written as a sum of positive squares in 2 ways, for example, as 7163929600 + 6176702464 = 84640^2 + 78592^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 13340632064.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3210212 + ... + 3214364.

Almost surely, 2^13340632064 is an apocalyptic number.

It is an amenable number.

13340632064 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

13340632064 is an equidigital number, since it uses as much as digits as its factorization.

13340632064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7310 (or 7292 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

The spelling of 13340632064 in words is "thirteen billion, three hundred forty million, six hundred thirty-two thousand, sixty-four".