115506240 has 56 divisors (see below), whose sum is σ = 366735360. Its totient is φ = 30801408.

The previous prime is 115506233. The next prime is 115506257. The reversal of 115506240 is 42605511.

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 115506240.

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, 59200 + ... + 61119.

Almost surely, 2^115506240 is an apocalyptic number.

115506240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115506240 is an abundant number, since it is smaller than the sum of its proper divisors (251229120).

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

115506240 is a wasteful number, since it uses less digits than its factorization.

115506240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120339 (or 120329 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 115506240 is about 10747.3829372550. The cubic root of 115506240 is about 487.0069386944.

The spelling of 115506240 in words is "one hundred fifteen million, five hundred six thousand, two hundred forty".