118405080 has 96 divisors (see below), whose sum is σ = 390639600. Its totient is φ = 31097088.

The previous prime is 118405073. The next prime is 118405097. The reversal of 118405080 is 80504811.

118405080 is a `hidden beast` number, since 118 + 40 + 508 + 0 = 666.

It is a congruent number.

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, 21666 + ... + 26574.

Almost surely, 2^118405080 is an apocalyptic number.

118405080 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 118405080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195319800).

118405080 is an abundant number, since it is smaller than the sum of its proper divisors (272234520).

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

118405080 is a wasteful number, since it uses less digits than its factorization.

118405080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4993 (or 4986 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 118405080 is about 10881.4098351271. The cubic root of 118405080 is about 491.0474331391.

Adding to 118405080 its reverse (80504811), we get a palindrome (198909891).

The spelling of 118405080 in words is "one hundred eighteen million, four hundred five thousand, eighty".