117970440 has 96 divisors (see below), whose sum is σ = 411713280. Its totient is φ = 26963328.

The previous prime is 117970439. The next prime is 117970459. The reversal of 117970440 is 44079711.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4152 + ... + 15911.

It is an arithmetic number, because the mean of its divisors is an integer number (4288680).

Almost surely, 2^117970440 is an apocalyptic number.

117970440 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 117970440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205856640).

117970440 is an abundant number, since it is smaller than the sum of its proper divisors (293742840).

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

117970440 is a wasteful number, since it uses less digits than its factorization.

117970440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20091 (or 20080 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 117970440 is about 10861.4197966932. The cubic root of 117970440 is about 490.4458526974.

The spelling of 117970440 in words is "one hundred seventeen million, nine hundred seventy thousand, four hundred forty".