115740520 has 64 divisors (see below), whose sum is σ = 304571520. Its totient is φ = 38755584.

The previous prime is 115740511. The next prime is 115740553. The reversal of 115740520 is 25047511.

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, 7234 + ... + 16846.

It is an arithmetic number, because the mean of its divisors is an integer number (4758930).

Almost surely, 2^115740520 is an apocalyptic number.

115740520 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 115740520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152285760).

115740520 is an abundant number, since it is smaller than the sum of its proper divisors (188831000).

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

115740520 is a wasteful number, since it uses less digits than its factorization.

115740520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9674 (or 9670 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 115740520 is about 10758.2768136909. The cubic root of 115740520 is about 487.3359798860.

The spelling of 115740520 in words is "one hundred fifteen million, seven hundred forty thousand, five hundred twenty".