118805580 has 72 divisors (see below), whose sum is σ = 376058592. Its totient is φ = 30302976.

The previous prime is 118805573. The next prime is 118805591. The reversal of 118805580 is 85508811.

It is a super-3 number, since 3×118805580³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10209 + ... + 18488.

It is an arithmetic number, because the mean of its divisors is an integer number (5223036).

Almost surely, 2^118805580 is an apocalyptic number.

118805580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118805580 is an abundant number, since it is smaller than the sum of its proper divisors (257253012).

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

118805580 is a wasteful number, since it uses less digits than its factorization.

118805580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28735 (or 28730 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 36.

The square root of 118805580 is about 10899.7972458207. The cubic root of 118805580 is about 491.6004588942.

The spelling of 118805580 in words is "one hundred eighteen million, eight hundred five thousand, five hundred eighty".