13626440342636 has 24 divisors (see below), whose sum is σ = 26018415876096. Its totient is φ = 6192812115920.

The previous prime is 13626440342633. The next prime is 13626440342653. The reversal of 13626440342636 is 63624304462631.

It is a super-2 number, since 2×13626440342636² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13626440342633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25340996 + ... + 25873131.

It is an arithmetic number, because the mean of its divisors is an integer number (1084100661504).

Almost surely, 2^{13626440342636} is an apocalyptic number.

It is an amenable number.

13626440342636 is a deficient number, since it is larger than the sum of its proper divisors (12391975533460).

13626440342636 is a wasteful number, since it uses less digits than its factorization.

13626440342636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51220189 (or 51220187 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 50.

The spelling of 13626440342636 in words is "thirteen trillion, six hundred twenty-six billion, four hundred forty million, three hundred forty-two thousand, six hundred thirty-six".