117221740944 has 160 divisors (see below), whose sum is σ = 381010375680. Its totient is φ = 30167769600.

The previous prime is 117221740943. The next prime is 117221740949. The reversal of 117221740944 is 449047122711.

It is a super-2 number, since 2×117221740944² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 117221740896 and 117221740905.

It is not an unprimeable number, because it can be changed into a prime (117221740943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 257379 + ... + 548349.

It is an arithmetic number, because the mean of its divisors is an integer number (2381314848).

Almost surely, 2^117221740944 is an apocalyptic number.

117221740944 is a gapful number since it is divisible by the number (14) 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 117221740944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190505187840).

117221740944 is an abundant number, since it is smaller than the sum of its proper divisors (263788634736).

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

117221740944 is a wasteful number, since it uses less digits than its factorization.

117221740944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291109 (or 291103 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 117221740944 in words is "one hundred seventeen billion, two hundred twenty-one million, seven hundred forty thousand, nine hundred forty-four".