113443040 has 96 divisors (see below), whose sum is σ = 286584480. Its totient is φ = 42287104.

The previous prime is 113443037. The next prime is 113443051. The reversal of 113443040 is 40344311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486764 + ... + 486996.

It is an arithmetic number, because the mean of its divisors is an integer number (2985255).

Almost surely, 2^113443040 is an apocalyptic number.

113443040 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 113443040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143292240).

113443040 is an abundant number, since it is smaller than the sum of its proper divisors (173141440).

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

113443040 is a wasteful number, since it uses less digits than its factorization.

113443040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 113443040 is about 10650.9642755950. The cubic root of 113443040 is about 484.0898223659.

Adding to 113443040 its reverse (40344311), we get a palindrome (153787351).

The spelling of 113443040 in words is "one hundred thirteen million, four hundred forty-three thousand, forty".