13749496040 has 48 divisors (see below), whose sum is σ = 35987206500. Its totient is φ = 4714112256.

The previous prime is 13749496021. The next prime is 13749496049. The reversal of 13749496040 is 4069494731.

It can be written as a sum of positive squares in 2 ways, for example, as 13092394084 + 657101956 = 114422^2 + 25634^2 .

It is not an unprimeable number, because it can be changed into a prime (13749496049) 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, 3505565 + ... + 3509484.

Almost surely, 2^13749496040 is an apocalyptic number.

13749496040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13749496040 is an abundant number, since it is smaller than the sum of its proper divisors (22237710460).

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

13749496040 is a wasteful number, since it uses less digits than its factorization.

13749496040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7015074 (or 7015063 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 13749496040 in words is "thirteen billion, seven hundred forty-nine million, four hundred ninety-six thousand, forty".