115593240 has 128 divisors (see below), whose sum is σ = 398661120. Its totient is φ = 26265600.

The previous prime is 115593229. The next prime is 115593253. The reversal of 115593240 is 42395511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 115593198 and 115593207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202155 + ... + 202725.

It is an arithmetic number, because the mean of its divisors is an integer number (3114540).

Almost surely, 2^115593240 is an apocalyptic number.

115593240 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 115593240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199330560).

115593240 is an abundant number, since it is smaller than the sum of its proper divisors (283067880).

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

115593240 is a wasteful number, since it uses less digits than its factorization.

115593240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833 (or 829 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 115593240 is about 10751.4296723738. The cubic root of 115593240 is about 487.1291802011.

It can be divided in two parts, 1155 and 93240, that added together give a triangular number (94395 = T₄₃₄).

The spelling of 115593240 in words is "one hundred fifteen million, five hundred ninety-three thousand, two hundred forty".