115653240 has 96 divisors (see below), whose sum is σ = 379332720. Its totient is φ = 30557184.

The previous prime is 115653217. The next prime is 115653289. The reversal of 115653240 is 42356511.

115653240 is a `hidden beast` number, since 1 + 1 + 5 + 653 + 2 + 4 + 0 = 666.

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, 39259 + ... + 42101.

Almost surely, 2^115653240 is an apocalyptic number.

115653240 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 115653240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189666360).

115653240 is an abundant number, since it is smaller than the sum of its proper divisors (263679480).

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

115653240 is a wasteful number, since it uses less digits than its factorization.

115653240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2973 (or 2966 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 115653240 is about 10754.2196369611. The cubic root of 115653240 is about 487.2134489562.

The spelling of 115653240 in words is "one hundred fifteen million, six hundred fifty-three thousand, two hundred forty".