13940340904 has 32 divisors (see below), whose sum is σ = 29876270400. Its totient is φ = 5973609600.

The previous prime is 13940340899. The next prime is 13940340913. The reversal of 13940340904 is 40904304931.

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, 573804 + ... + 597604.

It is an arithmetic number, because the mean of its divisors is an integer number (933633450).

Almost surely, 2^13940340904 is an apocalyptic number.

13940340904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13940340904 is an abundant number, since it is smaller than the sum of its proper divisors (15935929496).

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

13940340904 is a wasteful number, since it uses less digits than its factorization.

13940340904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34273 (or 34269 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 13940340904 in words is "thirteen billion, nine hundred forty million, three hundred forty thousand, nine hundred four".