115449880 has 192 divisors, whose sum is σ = 341288640. Its totient is φ = 34771968.

The previous prime is 115449863. The next prime is 115449937. The reversal of 115449880 is 88944511.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 585942 + ... + 586138.

It is an arithmetic number, because the mean of its divisors is an integer number (1777545).

Almost surely, 2^115449880 is an apocalyptic number.

115449880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115449880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170644320).

115449880 is an abundant number, since it is smaller than the sum of its proper divisors (225838760).

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

115449880 is a wasteful number, since it uses less digits than its factorization.

115449880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 115449880 is about 10744.7605836519. The cubic root of 115449880 is about 486.9277159138.

The spelling of 115449880 in words is "one hundred fifteen million, four hundred forty-nine thousand, eight hundred eighty".