113120444040 has 128 divisors (see below), whose sum is σ = 342630604800. Its totient is φ = 29875772160.

The previous prime is 113120444033. The next prime is 113120444069. The reversal of 113120444040 is 40444021311.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 113120444040.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8214681 + ... + 8228439.

It is an arithmetic number, because the mean of its divisors is an integer number (2676801600).

Almost surely, 2^113120444040 is an apocalyptic number.

113120444040 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 113120444040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171315302400).

113120444040 is an abundant number, since it is smaller than the sum of its proper divisors (229510160760).

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

113120444040 is a wasteful number, since it uses less digits than its factorization.

113120444040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14427 (or 14423 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 113120444040 its reverse (40444021311), we get a palindrome (153564465351).

The spelling of 113120444040 in words is "one hundred thirteen billion, one hundred twenty million, four hundred forty-four thousand, forty".