117312444 has 72 divisors (see below), whose sum is σ = 318781008. Its totient is φ = 36241920.

The previous prime is 117312389. The next prime is 117312457. The reversal of 117312444 is 444213711.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 39574 + ... + 42434.

It is an arithmetic number, because the mean of its divisors is an integer number (4427514).

Almost surely, 2^117312444 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 117312444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159390504).

117312444 is an abundant number, since it is smaller than the sum of its proper divisors (201468564).

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

117312444 is a wasteful number, since it uses less digits than its factorization.

117312444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2955 (or 2950 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 117312444 is about 10831.0869260661. The cubic root of 117312444 is about 489.5323095416.

The spelling of 117312444 in words is "one hundred seventeen million, three hundred twelve thousand, four hundred forty-four".