115344240 has 80 divisors (see below), whose sum is σ = 390082176. Its totient is φ = 27961600.

The previous prime is 115344227. The next prime is 115344253. The reversal of 115344240 is 42443511.

It is an interprime number because it is at equal distance from previous prime (115344227) and next prime (115344253).

It is a tau number, because it is divible by the number of its divisors (80).

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 115344240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19206 + ... + 24485.

Almost surely, 2^115344240 is an apocalyptic number.

115344240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115344240 is an abundant number, since it is smaller than the sum of its proper divisors (274737936).

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

115344240 is a wasteful number, since it uses less digits than its factorization.

115344240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43718 (or 43712 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 115344240 is about 10739.8435742798. The cubic root of 115344240 is about 486.7791529146.

Adding to 115344240 its reverse (42443511), we get a palindrome (157787751).

The spelling of 115344240 in words is "one hundred fifteen million, three hundred forty-four thousand, two hundred forty".