13320244113400 has 72 divisors (see below), whose sum is σ = 36025823518920. Its totient is φ = 4566940835520.

The previous prime is 13320244113391. The next prime is 13320244113403. The reversal of 13320244113400 is 431144202331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320244113403) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 679594492 + ... + 679614091.

It is an arithmetic number, because the mean of its divisors is an integer number (500358659985).

Almost surely, 2^{13320244113400} is an apocalyptic number.

13320244113400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13320244113400 is an abundant number, since it is smaller than the sum of its proper divisors (22705579405520).

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

13320244113400 is a wasteful number, since it uses less digits than its factorization.

13320244113400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359208613 (or 1359208597 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 13320244113400 its reverse (431144202331), we get a palindrome (13751388315731).

The spelling of 13320244113400 in words is "thirteen trillion, three hundred twenty billion, two hundred forty-four million, one hundred thirteen thousand, four hundred".