115630940 has 48 divisors (see below), whose sum is σ = 258552000. Its totient is φ = 43287552.

The previous prime is 115630939. The next prime is 115631039. The reversal of 115630940 is 49036511.

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, 66806 + ... + 68514.

It is an arithmetic number, because the mean of its divisors is an integer number (5386500).

Almost surely, 2^115630940 is an apocalyptic number.

115630940 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 115630940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129276000).

115630940 is an abundant number, since it is smaller than the sum of its proper divisors (142921060).

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

115630940 is a wasteful number, since it uses less digits than its factorization.

115630940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934 (or 1932 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 115630940 is about 10753.1827846457. The cubic root of 115630940 is about 487.1821324728.

The spelling of 115630940 in words is "one hundred fifteen million, six hundred thirty thousand, nine hundred forty".