117285040 has 40 divisors (see below), whose sum is σ = 288731520. Its totient is φ = 44153856.

The previous prime is 117285031. The next prime is 117285053. The reversal of 117285040 is 40582711.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41760 + ... + 44479.

It is an arithmetic number, because the mean of its divisors is an integer number (7218288).

Almost surely, 2^117285040 is an apocalyptic number.

117285040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117285040 is an abundant number, since it is smaller than the sum of its proper divisors (171446480).

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

117285040 is a wasteful number, since it uses less digits than its factorization.

117285040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86269 (or 86263 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 117285040 is about 10829.8217898542. The cubic root of 117285040 is about 489.4941885839.

The spelling of 117285040 in words is "one hundred seventeen million, two hundred eighty-five thousand, forty".