113404303221400 has 96 divisors (see below), whose sum is σ = 264521901657600. Its totient is φ = 45214314163200.

The previous prime is 113404303221389. The next prime is 113404303221409. The reversal of 113404303221400 is 4122303404311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113404303221409) 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, 1504177705 + ... + 1504253095.

It is an arithmetic number, because the mean of its divisors is an integer number (2755436475600).

Almost surely, 2^{113404303221400} is an apocalyptic number.

113404303221400 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 113404303221400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132260950828800).

113404303221400 is an abundant number, since it is smaller than the sum of its proper divisors (151117598436200).

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

113404303221400 is a wasteful number, since it uses less digits than its factorization.

113404303221400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99749 (or 99740 counting only the distinct ones).

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

Adding to 113404303221400 its reverse (4122303404311), we get a palindrome (117526606625711).

The spelling of 113404303221400 in words is "one hundred thirteen trillion, four hundred four billion, three hundred three million, two hundred twenty-one thousand, four hundred".