13840013660 has 48 divisors (see below), whose sum is σ = 31714230240. Its totient is φ = 5031459840.

The previous prime is 13840013623. The next prime is 13840013683. The reversal of 13840013660 is 6631004831.

It is a congruent number.

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, 1616912 + ... + 1625448.

It is an arithmetic number, because the mean of its divisors is an integer number (660713130).

Almost surely, 2^13840013660 is an apocalyptic number.

13840013660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13840013660 is an abundant number, since it is smaller than the sum of its proper divisors (17874216580).

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

13840013660 is a wasteful number, since it uses less digits than its factorization.

13840013660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15926 (or 15924 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 13840013660 in words is "thirteen billion, eight hundred forty million, thirteen thousand, six hundred sixty".