13392539940 has 48 divisors (see below), whose sum is σ = 40383661248. Its totient is φ = 3296625024.

The previous prime is 13392539917. The next prime is 13392539947. The reversal of 13392539940 is 4993529331.

It is a self number, because there is not a number n which added to its sum of digits gives 13392539940.

It is not an unprimeable number, because it can be changed into a prime (13392539947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8584182 + ... + 8585741.

It is an arithmetic number, because the mean of its divisors is an integer number (841326276).

Almost surely, 2^13392539940 is an apocalyptic number.

13392539940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13392539940 is an abundant number, since it is smaller than the sum of its proper divisors (26991121308).

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

13392539940 is a wasteful number, since it uses less digits than its factorization.

13392539940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17169948 (or 17169946 counting only the distinct ones).

The product of its (nonzero) digits is 787320, while the sum is 48.

The spelling of 13392539940 in words is "thirteen billion, three hundred ninety-two million, five hundred thirty-nine thousand, nine hundred forty".