113420344400 has 120 divisors (see below), whose sum is σ = 297436941984. Its totient is φ = 41219827200.

The previous prime is 113420344391. The next prime is 113420344403. The reversal of 113420344400 is 4443024311.

It is a super-2 number, since 2×113420344400² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113420344400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113420344403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8736314 + ... + 8749286.

Almost surely, 2^113420344400 is an apocalyptic number.

113420344400 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 113420344400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148718470992).

113420344400 is an abundant number, since it is smaller than the sum of its proper divisors (184016597584).

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

113420344400 is a wasteful number, since it uses less digits than its factorization.

113420344400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14989 (or 14978 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 113420344400 its reverse (4443024311), we get a palindrome (117863368711).

The spelling of 113420344400 in words is "one hundred thirteen billion, four hundred twenty million, three hundred forty-four thousand, four hundred".