115040436 has 72 divisors (see below), whose sum is σ = 314284320. Its totient is φ = 32655168.

The previous prime is 115040417. The next prime is 115040467. The reversal of 115040436 is 634040511.

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, 104706 + ... + 105798.

It is an arithmetic number, because the mean of its divisors is an integer number (4365060).

Almost surely, 2^115040436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115040436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157142160).

115040436 is an abundant number, since it is smaller than the sum of its proper divisors (199243884).

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

115040436 is a wasteful number, since it uses less digits than its factorization.

115040436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293 (or 1284 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 115040436 is about 10725.6904672846. The cubic root of 115040436 is about 486.3514029547.

Adding to 115040436 its reverse (634040511), we get a palindrome (749080947).

The spelling of 115040436 in words is "one hundred fifteen million, forty thousand, four hundred thirty-six".