115166240 has 144 divisors (see below), whose sum is σ = 324305856. Its totient is φ = 37854720.

The previous prime is 115166203. The next prime is 115166243. The reversal of 115166240 is 42661511.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (115166243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1076267 + ... + 1076373.

It is an arithmetic number, because the mean of its divisors is an integer number (2252124).

Almost surely, 2^115166240 is an apocalyptic number.

115166240 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 115166240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162152928).

115166240 is an abundant number, since it is smaller than the sum of its proper divisors (209139616).

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

115166240 is a wasteful number, since it uses less digits than its factorization.

115166240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 115166240 is about 10731.5534756157. The cubic root of 115166240 is about 486.5286237198.

The spelling of 115166240 in words is "one hundred fifteen million, one hundred sixty-six thousand, two hundred forty".