117403440 has 160 divisors (see below), whose sum is σ = 453828096. Its totient is φ = 24391680.

The previous prime is 117403439. The next prime is 117403453. The reversal of 117403440 is 44304711.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 117403440.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15304 + ... + 21656.

Almost surely, 2^117403440 is an apocalyptic number.

117403440 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 117403440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226914048).

117403440 is an abundant number, since it is smaller than the sum of its proper divisors (336424656).

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

117403440 is a wasteful number, since it uses less digits than its factorization.

117403440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6387 (or 6381 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 117403440 is about 10835.2867982347. The cubic root of 117403440 is about 489.6588490285.

The spelling of 117403440 in words is "one hundred seventeen million, four hundred three thousand, four hundred forty".