117801440 has 24 divisors (see below), whose sum is σ = 278306280. Its totient is φ = 47120512.

The previous prime is 117801421. The next prime is 117801491. The reversal of 117801440 is 44108711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367970 + ... + 368289.

It is an arithmetic number, because the mean of its divisors is an integer number (11596095).

Almost surely, 2^117801440 is an apocalyptic number.

117801440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117801440 is an abundant number, since it is smaller than the sum of its proper divisors (160504840).

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

117801440 is an equidigital number, since it uses as much as digits as its factorization.

117801440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736274 (or 736266 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 117801440 is about 10853.6371783840. The cubic root of 117801440 is about 490.2115427011.

The spelling of 117801440 in words is "one hundred seventeen million, eight hundred one thousand, four hundred forty".