13996378400 has 36 divisors (see below), whose sum is σ = 34168660722. Its totient is φ = 5598551040.

The previous prime is 13996378397. The next prime is 13996378423. The reversal of 13996378400 is 487369931.

It can be written as a sum of positive squares in 3 ways, for example, as 5177665936 + 8818712464 = 71956^2 + 93908^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8746937 + ... + 8748536.

Almost surely, 2^13996378400 is an apocalyptic number.

13996378400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13996378400 is an abundant number, since it is smaller than the sum of its proper divisors (20172282322).

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

13996378400 is a wasteful number, since it uses less digits than its factorization.

13996378400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17495493 (or 17495480 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 13996378400 in words is "thirteen billion, nine hundred ninety-six million, three hundred seventy-eight thousand, four hundred".