13044320111400 has 192 divisors, whose sum is σ = 41542579944000. Its totient is φ = 3383471093760.

The previous prime is 13044320111377. The next prime is 13044320111411. The reversal of 13044320111400 is 411102344031.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 76482619 + ... + 76652981.

It is an arithmetic number, because the mean of its divisors is an integer number (216367603875).

Almost surely, 2^{13044320111400} is an apocalyptic number.

13044320111400 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 13044320111400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20771289972000).

13044320111400 is an abundant number, since it is smaller than the sum of its proper divisors (28498259832600).

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

13044320111400 is a wasteful number, since it uses less digits than its factorization.

13044320111400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173868 (or 173859 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 13044320111400 its reverse (411102344031), we get a palindrome (13455422455431).

The spelling of 13044320111400 in words is "thirteen trillion, forty-four billion, three hundred twenty million, one hundred eleven thousand, four hundred".