115544420 has 24 divisors (see below), whose sum is σ = 246758400. Its totient is φ = 45433952.

The previous prime is 115544413. The next prime is 115544441. The reversal of 115544420 is 24445511.

It is a self number, because there is not a number n which added to its sum of digits gives 115544420.

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, 47780 + ... + 50139.

It is an arithmetic number, because the mean of its divisors is an integer number (10281600).

Almost surely, 2^115544420 is an apocalyptic number.

115544420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115544420 is an abundant number, since it is smaller than the sum of its proper divisors (131213980).

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

115544420 is a wasteful number, since it uses less digits than its factorization.

115544420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97987 (or 97985 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 115544420 is about 10749.1590368735. The cubic root of 115544420 is about 487.0605920052.

Adding to 115544420 its reverse (24445511), we get a palindrome (139989931).

The spelling of 115544420 in words is "one hundred fifteen million, five hundred forty-four thousand, four hundred twenty".