115043940 has 144 divisors (see below), whose sum is σ = 385257600. Its totient is φ = 27555840.

The previous prime is 115043911. The next prime is 115043959. The reversal of 115043940 is 49340511.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 191761 + ... + 192359.

It is an arithmetic number, because the mean of its divisors is an integer number (2675400).

Almost surely, 2^115043940 is an apocalyptic number.

115043940 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 115043940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192628800).

115043940 is an abundant number, since it is smaller than the sum of its proper divisors (270213660).

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

115043940 is a wasteful number, since it uses less digits than its factorization.

115043940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 115043940 is about 10725.8538121681. The cubic root of 115043940 is about 486.3563408069.

The spelling of 115043940 in words is "one hundred fifteen million, forty-three thousand, nine hundred forty".