13915290040 has 32 divisors (see below), whose sum is σ = 32155606080. Its totient is φ = 5415679872.

The previous prime is 13915290031. The next prime is 13915290061. The reversal of 13915290040 is 4009251931.

It is a junction number, because it is equal to n+sod(n) for n = 13915289978 and 13915290005.

It is a congruent number.

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, 4699632 + ... + 4702591.

It is an arithmetic number, because the mean of its divisors is an integer number (1004862690).

Almost surely, 2^13915290040 is an apocalyptic number.

13915290040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13915290040 is an abundant number, since it is smaller than the sum of its proper divisors (18240316040).

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

13915290040 is a wasteful number, since it uses less digits than its factorization.

13915290040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9402271 (or 9402267 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The spelling of 13915290040 in words is "thirteen billion, nine hundred fifteen million, two hundred ninety thousand, forty".