13944496489400 has 192 divisors, whose sum is σ = 34169882987520. Its totient is φ = 5285619763200.

The previous prime is 13944496489361. The next prime is 13944496489453. The reversal of 13944496489400 is 498469444931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58029899 + ... + 58269701.

It is an arithmetic number, because the mean of its divisors is an integer number (177968140560).

Almost surely, 2^{13944496489400} is an apocalyptic number.

13944496489400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13944496489400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17084941493760).

13944496489400 is an abundant number, since it is smaller than the sum of its proper divisors (20225386498120).

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

13944496489400 is a wasteful number, since it uses less digits than its factorization.

13944496489400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240046 (or 240037 counting only the distinct ones).

The product of its (nonzero) digits is 107495424, while the sum is 65.

The spelling of 13944496489400 in words is "thirteen trillion, nine hundred forty-four billion, four hundred ninety-six million, four hundred eighty-nine thousand, four hundred".