115000040 has 16 divisors (see below), whose sum is σ = 258750180. Its totient is φ = 46000000.

The previous prime is 115000009. The next prime is 115000043. The reversal of 115000040 is 40000511.

It can be written as a sum of positive squares in 2 ways, for example, as 114105124 + 894916 = 10682^2 + 946^2 .

It is a junction number, because it is equal to n+sod(n) for n = 114999985 and 115000030.

It is not an unprimeable number, because it can be changed into a prime (115000043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1437461 + ... + 1437540.

Almost surely, 2^115000040 is an apocalyptic number.

115000040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115000040 is an abundant number, since it is smaller than the sum of its proper divisors (143750140).

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

115000040 is a wasteful number, since it uses less digits than its factorization.

115000040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875012 (or 2875008 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 115000040 is about 10723.8071597731. The cubic root of 115000040 is about 486.2944694914.

Adding to 115000040 its reverse (40000511), we get a palindrome (155000551).

The spelling of 115000040 in words is "one hundred fifteen million, forty", and thus it is an aban number.