115530540 has 24 divisors (see below), whose sum is σ = 323485680. Its totient is φ = 30808128.

The previous prime is 115530533. The next prime is 115530563. The reversal of 115530540 is 45035511.

It is a super-3 number, since 3×115530540³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115530540.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 962695 + ... + 962814.

It is an arithmetic number, because the mean of its divisors is an integer number (13478570).

Almost surely, 2^115530540 is an apocalyptic number.

115530540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115530540 is an abundant number, since it is smaller than the sum of its proper divisors (207955140).

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

115530540 is a wasteful number, since it uses less digits than its factorization.

115530540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925521 (or 1925519 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 115530540 is about 10748.5133855804. The cubic root of 115530540 is about 487.0410881880.

The spelling of 115530540 in words is "one hundred fifteen million, five hundred thirty thousand, five hundred forty".