118494180 has 144 divisors (see below), whose sum is σ = 414086400. Its totient is φ = 26866944.

The previous prime is 118494169. The next prime is 118494193. The reversal of 118494180 is 81494811.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 197521 + ... + 198119.

It is an arithmetic number, because the mean of its divisors is an integer number (2875600).

Almost surely, 2^118494180 is an apocalyptic number.

118494180 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 118494180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207043200).

118494180 is an abundant number, since it is smaller than the sum of its proper divisors (295592220).

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

118494180 is a wasteful number, since it uses less digits than its factorization.

118494180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778 (or 773 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 118494180 is about 10885.5032038028. The cubic root of 118494180 is about 491.1705735660.

The spelling of 118494180 in words is "one hundred eighteen million, four hundred ninety-four thousand, one hundred eighty".