13440942240 has 96 divisors (see below), whose sum is σ = 46187983296. Its totient is φ = 3258408960.

The previous prime is 13440942187. The next prime is 13440942289. The reversal of 13440942240 is 4224904431.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 1267537 + ... + 1278096.

It is an arithmetic number, because the mean of its divisors is an integer number (481124826).

Almost surely, 2^13440942240 is an apocalyptic number.

13440942240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13440942240 is an abundant number, since it is smaller than the sum of its proper divisors (32747041056).

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

13440942240 is a wasteful number, since it uses less digits than its factorization.

13440942240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545662 (or 2545654 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 13440942240 in words is "thirteen billion, four hundred forty million, nine hundred forty-two thousand, two hundred forty".