117282240 has 168 divisors, whose sum is σ = 407413968. Its totient is φ = 30965760.

The previous prime is 117282239. The next prime is 117282251. The reversal of 117282240 is 42282711.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 555735 + ... + 555945.

Almost surely, 2^117282240 is an apocalyptic number.

117282240 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 117282240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203706984).

117282240 is an abundant number, since it is smaller than the sum of its proper divisors (290131728).

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

117282240 is a wasteful number, since it uses less digits than its factorization.

117282240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 117282240 is about 10829.6925164106. The cubic root of 117282240 is about 489.4902932459.

The spelling of 117282240 in words is "one hundred seventeen million, two hundred eighty-two thousand, two hundred forty".