117988442418 has 128 divisors (see below), whose sum is σ = 310705274880. Its totient is φ = 28938150720.

The previous prime is 117988442389. The next prime is 117988442419. The reversal of 117988442418 is 814244889711.

117988442418 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (117988442419) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 2672955 + ... + 2716737.

It is an arithmetic number, because the mean of its divisors is an integer number (2427384960).

Almost surely, 2^117988442418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117988442418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155352637440).

117988442418 is an abundant number, since it is smaller than the sum of its proper divisors (192716832462).

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

117988442418 is a wasteful number, since it uses less digits than its factorization.

117988442418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44132.

The product of its digits is 4128768, while the sum is 57.

The spelling of 117988442418 in words is "one hundred seventeen billion, nine hundred eighty-eight million, four hundred forty-two thousand, four hundred eighteen".