115489680 has 40 divisors (see below), whose sum is σ = 358018752. Its totient is φ = 30797184.

The previous prime is 115489667. The next prime is 115489741. The reversal of 115489680 is 86984511.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240364 + ... + 240843.

Almost surely, 2^115489680 is an apocalyptic number.

115489680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115489680 is an abundant number, since it is smaller than the sum of its proper divisors (242529072).

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

115489680 is a wasteful number, since it uses less digits than its factorization.

115489680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481223 (or 481217 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 115489680 is about 10746.6124895243. The cubic root of 115489680 is about 486.9836637027.

The spelling of 115489680 in words is "one hundred fifteen million, four hundred eighty-nine thousand, six hundred eighty".