115322440 has 16 divisors (see below), whose sum is σ = 259475580. Its totient is φ = 46128960.

The previous prime is 115322429. The next prime is 115322447. The reversal of 115322440 is 44223511.

It can be written as a sum of positive squares in 2 ways, for example, as 115218756 + 103684 = 10734^2 + 322^2 .

It is not an unprimeable number, because it can be changed into a prime (115322447) 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, 1441491 + ... + 1441570.

Almost surely, 2^115322440 is an apocalyptic number.

115322440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115322440 is an abundant number, since it is smaller than the sum of its proper divisors (144153140).

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

115322440 is a wasteful number, since it uses less digits than its factorization.

115322440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883072 (or 2883068 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 115322440 is about 10738.8286139597. The cubic root of 115322440 is about 486.7484839820.

Adding to 115322440 its reverse (44223511), we get a palindrome (159545951).

The spelling of 115322440 in words is "one hundred fifteen million, three hundred twenty-two thousand, four hundred forty".