117408256 has 160 divisors (see below), whose sum is σ = 296980992. Its totient is φ = 45219840.

The previous prime is 117408251. The next prime is 117408271. The reversal of 117408256 is 652804711.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117408251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2498025 + ... + 2498071.

Almost surely, 2^117408256 is an apocalyptic number.

117408256 is a gapful number since it is divisible by the number (16) 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 117408256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148490496).

117408256 is an abundant number, since it is smaller than the sum of its proper divisors (179572736).

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

117408256 is an equidigital number, since it uses as much as digits as its factorization.

117408256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 117408256 is about 10835.5090328051. The cubic root of 117408256 is about 489.6655443598.

The spelling of 117408256 in words is "one hundred seventeen million, four hundred eight thousand, two hundred fifty-six".