13940790380 has 24 divisors (see below), whose sum is σ = 31937083920. Its totient is φ = 5069378240.

The previous prime is 13940790373. The next prime is 13940790407. The reversal of 13940790380 is 8309704931.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 31683395 + ... + 31683834.

It is an arithmetic number, because the mean of its divisors is an integer number (1330711830).

Almost surely, 2^13940790380 is an apocalyptic number.

13940790380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13940790380 is an abundant number, since it is smaller than the sum of its proper divisors (17996293540).

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

13940790380 is a wasteful number, since it uses less digits than its factorization.

13940790380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63367249 (or 63367247 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 13940790380 in words is "thirteen billion, nine hundred forty million, seven hundred ninety thousand, three hundred eighty".