113642368840 has 256 divisors, whose sum is σ = 346363153920. Its totient is φ = 32405667840.

The previous prime is 113642368831. The next prime is 113642368849. The reversal of 113642368840 is 48863246311.

It is an interprime number because it is at equal distance from previous prime (113642368831) and next prime (113642368849).

It is not an unprimeable number, because it can be changed into a prime (113642368849) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4511962 + ... + 4537078.

It is an arithmetic number, because the mean of its divisors is an integer number (1352981070).

Almost surely, 2^113642368840 is an apocalyptic number.

113642368840 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 113642368840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173181576960).

113642368840 is an abundant number, since it is smaller than the sum of its proper divisors (232720785080).

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

113642368840 is a wasteful number, since it uses less digits than its factorization.

113642368840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25272 (or 25268 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 46.

The spelling of 113642368840 in words is "one hundred thirteen billion, six hundred forty-two million, three hundred sixty-eight thousand, eight hundred forty".