115089400 has 48 divisors (see below), whose sum is σ = 276823800. Its totient is φ = 44446080.

The previous prime is 115089389. The next prime is 115089407. The reversal of 115089400 is 4980511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115089407) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4122 + ... + 15721.

Almost surely, 2^115089400 is an apocalyptic number.

115089400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115089400 is an abundant number, since it is smaller than the sum of its proper divisors (161734400).

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

115089400 is a wasteful number, since it uses less digits than its factorization.

115089400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19888 (or 19879 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 115089400 is about 10727.9727814718. The cubic root of 115089400 is about 486.4203941522.

The spelling of 115089400 in words is "one hundred fifteen million, eighty-nine thousand, four hundred".