115648380 has 72 divisors (see below), whose sum is σ = 354790800. Its totient is φ = 30488832.

The previous prime is 115648373. The next prime is 115648391. The reversal of 115648380 is 83846511.

115648380 is a `hidden beast` number, since 1 + 1 + 5 + 648 + 3 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 12411 + ... + 19629.

It is an arithmetic number, because the mean of its divisors is an integer number (4927650).

Almost surely, 2^115648380 is an apocalyptic number.

115648380 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 115648380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177395400).

115648380 is an abundant number, since it is smaller than the sum of its proper divisors (239142420).

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

115648380 is a wasteful number, since it uses less digits than its factorization.

115648380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7323 (or 7318 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 115648380 is about 10753.9936767696. The cubic root of 115648380 is about 487.2066242719.

The spelling of 115648380 in words is "one hundred fifteen million, six hundred forty-eight thousand, three hundred eighty".