13900440872 has 32 divisors (see below), whose sum is σ = 26171644800. Its totient is φ = 6921396864.

The previous prime is 13900440859. The next prime is 13900440877. The reversal of 13900440872 is 27804400931.

13900440872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13900440877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2100593 + ... + 2107199.

It is an arithmetic number, because the mean of its divisors is an integer number (817863900).

Almost surely, 2^13900440872 is an apocalyptic number.

It is an amenable number.

13900440872 is a deficient number, since it is larger than the sum of its proper divisors (12271203928).

13900440872 is a wasteful number, since it uses less digits than its factorization.

13900440872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7665 (or 7661 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 13900440872 in words is "thirteen billion, nine hundred million, four hundred forty thousand, eight hundred seventy-two".