13440402014 has 24 divisors (see below), whose sum is σ = 21848509080. Its totient is φ = 6198205728.

The previous prime is 13440402013. The next prime is 13440402103. The reversal of 13440402014 is 41020404431.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13440402013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 416057 + ... + 447195.

It is an arithmetic number, because the mean of its divisors is an integer number (910354545).

Almost surely, 2^13440402014 is an apocalyptic number.

13440402014 is a deficient number, since it is larger than the sum of its proper divisors (8408107066).

13440402014 is a wasteful number, since it uses less digits than its factorization.

13440402014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32444 (or 32431 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 13440402014 its reverse (41020404431), we get a palindrome (54460806445).

The spelling of 13440402014 in words is "thirteen billion, four hundred forty million, four hundred two thousand, fourteen".