13640022332 has 24 divisors (see below), whose sum is σ = 23964516576. Its totient is φ = 6793072128.

The previous prime is 13640022329. The next prime is 13640022379. The reversal of 13640022332 is 23322004631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1077713 + ... + 1090295.

It is an arithmetic number, because the mean of its divisors is an integer number (998521524).

Almost surely, 2^13640022332 is an apocalyptic number.

It is an amenable number.

13640022332 is a deficient number, since it is larger than the sum of its proper divisors (10324494244).

13640022332 is a wasteful number, since it uses less digits than its factorization.

13640022332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13637 (or 13635 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 13640022332 its reverse (23322004631), we get a palindrome (36962026963).

The spelling of 13640022332 in words is "thirteen billion, six hundred forty million, twenty-two thousand, three hundred thirty-two".