13904015380 has 12 divisors (see below), whose sum is σ = 29198432340. Its totient is φ = 5561606144.

The previous prime is 13904015371. The next prime is 13904015381. The reversal of 13904015380 is 8351040931.

13904015380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5304791556 + 8599223824 = 72834^2 + 92732^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13904015381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347600365 + ... + 347600404.

It is an arithmetic number, because the mean of its divisors is an integer number (2433202695).

Almost surely, 2^13904015380 is an apocalyptic number.

13904015380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13904015380 is an abundant number, since it is smaller than the sum of its proper divisors (15294416960).

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

13904015380 is a wasteful number, since it uses less digits than its factorization.

13904015380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695200778 (or 695200776 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 13904015380 in words is "thirteen billion, nine hundred four million, fifteen thousand, three hundred eighty".