115660320 has 48 divisors (see below), whose sum is σ = 364331520. Its totient is φ = 30842624.

The previous prime is 115660319. The next prime is 115660327. The reversal of 115660320 is 23066511.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115660327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120000 + ... + 120959.

It is an arithmetic number, because the mean of its divisors is an integer number (7590240).

Almost surely, 2^115660320 is an apocalyptic number.

115660320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115660320 is an abundant number, since it is smaller than the sum of its proper divisors (248671200).

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

115660320 is a wasteful number, since it uses less digits than its factorization.

115660320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240977 (or 240969 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 115660320 is about 10754.5488050406. The cubic root of 115660320 is about 487.2233907466.

The spelling of 115660320 in words is "one hundred fifteen million, six hundred sixty thousand, three hundred twenty".