113440404 has 72 divisors (see below), whose sum is σ = 332538304. Its totient is φ = 29462400.

The previous prime is 113440391. The next prime is 113440423. The reversal of 113440404 is 404044311.

113440404 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

113440404 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4584 + ... + 15744.

Almost surely, 2^113440404 is an apocalyptic number.

113440404 is a gapful number since it is divisible by the number (14) 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 113440404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166269152).

113440404 is an abundant number, since it is smaller than the sum of its proper divisors (219097900).

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

113440404 is a wasteful number, since it uses less digits than its factorization.

113440404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11197 (or 11184 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 113440404 is about 10650.8405302117. The cubic root of 113440404 is about 484.0860728465.

Adding to 113440404 its reverse (404044311), we get a palindrome (517484715).

The spelling of 113440404 in words is "one hundred thirteen million, four hundred forty thousand, four hundred four".