115332440 has 32 divisors (see below), whose sum is σ = 260820000. Its totient is φ = 45897984.

The previous prime is 115332421. The next prime is 115332457. The reversal of 115332440 is 44233511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716 + ... + 15204.

It is an arithmetic number, because the mean of its divisors is an integer number (8150625).

Almost surely, 2^115332440 is an apocalyptic number.

115332440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115332440 is an abundant number, since it is smaller than the sum of its proper divisors (145487560).

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

115332440 is a wasteful number, since it uses less digits than its factorization.

115332440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14699 (or 14695 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 115332440 is about 10739.2942039968. The cubic root of 115332440 is about 486.7625527795.

Adding to 115332440 its reverse (44233511), we get a palindrome (159565951).

The spelling of 115332440 in words is "one hundred fifteen million, three hundred thirty-two thousand, four hundred forty".