113440818408 has 64 divisors (see below), whose sum is σ = 296575171200. Its totient is φ = 36090996480.

The previous prime is 113440818371. The next prime is 113440818451. The reversal of 113440818408 is 804818044311.

It is a self number, because there is not a number n which added to its sum of digits gives 113440818408.

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 15 ways as a sum of consecutive naturals, for example, 31578 + ... + 477366.

It is an arithmetic number, because the mean of its divisors is an integer number (4633987050).

Almost surely, 2^113440818408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113440818408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148287585600).

113440818408 is an abundant number, since it is smaller than the sum of its proper divisors (183134352792).

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

113440818408 is a wasteful number, since it uses less digits than its factorization.

113440818408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446282 (or 446278 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

The spelling of 113440818408 in words is "one hundred thirteen billion, four hundred forty million, eight hundred eighteen thousand, four hundred eight".