118022580 has 144 divisors (see below), whose sum is σ = 398221824. Its totient is φ = 28097280.

The previous prime is 118022579. The next prime is 118022581. The reversal of 118022580 is 85220811.

118022580 is a `hidden beast` number, since 1 + 1 + 80 + 2 + 2 + 580 = 666.

It is an interprime number because it is at equal distance from previous prime (118022579) and next prime (118022581).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118022581) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71727 + ... + 73353.

Almost surely, 2^118022580 is an apocalyptic number.

118022580 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 118022580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199110912).

118022580 is an abundant number, since it is smaller than the sum of its proper divisors (280199244).

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

118022580 is a wasteful number, since it uses less digits than its factorization.

118022580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686 (or 1681 counting only the distinct ones).

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

The square root of 118022580 is about 10863.8197702281. The cubic root of 118022580 is about 490.5180970108.

The spelling of 118022580 in words is "one hundred eighteen million, twenty-two thousand, five hundred eighty".