115715340 has 72 divisors (see below), whose sum is σ = 378011088. Its totient is φ = 28483200.

The previous prime is 115715309. The next prime is 115715351. The reversal of 115715340 is 43517511.

115715340 is a `hidden beast` number, since 1 + 1 + 571 + 53 + 40 = 666.

It is a super-2 number, since 2×115715340² = 26780079822631200, which contains 22 as substring.

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, 22386 + ... + 27065.

It is an arithmetic number, because the mean of its divisors is an integer number (5250154).

Almost surely, 2^115715340 is an apocalyptic number.

115715340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115715340 is an abundant number, since it is smaller than the sum of its proper divisors (262295748).

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

115715340 is a wasteful number, since it uses less digits than its factorization.

115715340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49479 (or 49474 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 115715340 is about 10757.1064882709. The cubic root of 115715340 is about 487.3006364299.

The spelling of 115715340 in words is "one hundred fifteen million, seven hundred fifteen thousand, three hundred forty".