13364122640 has 40 divisors (see below), whose sum is σ = 33896276928. Its totient is φ = 4859680640.

The previous prime is 13364122591. The next prime is 13364122643. The reversal of 13364122640 is 4622146331.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 13364122597 and 13364122606.

It is not an unprimeable number, because it can be changed into a prime (13364122643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7592372 + ... + 7594131.

Almost surely, 2^13364122640 is an apocalyptic number.

13364122640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13364122640 is an abundant number, since it is smaller than the sum of its proper divisors (20532154288).

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

13364122640 is a wasteful number, since it uses less digits than its factorization.

13364122640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15186527 (or 15186521 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 13364122640 its reverse (4622146331), we get a palindrome (17986268971).

The spelling of 13364122640 in words is "thirteen billion, three hundred sixty-four million, one hundred twenty-two thousand, six hundred forty".