118639080 has 160 divisors (see below), whose sum is σ = 455811840. Its totient is φ = 27112320.

The previous prime is 118639049. The next prime is 118639099. The reversal of 118639080 is 80936811.

118639080 is a `hidden beast` number, since 1 + 18 + 639 + 0 + 8 + 0 = 666.

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 39 ways as a sum of consecutive naturals, for example, 20065 + ... + 25295.

It is an arithmetic number, because the mean of its divisors is an integer number (2848824).

Almost surely, 2^118639080 is an apocalyptic number.

118639080 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 118639080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227905920).

118639080 is an abundant number, since it is smaller than the sum of its proper divisors (337172760).

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

118639080 is a wasteful number, since it uses less digits than its factorization.

118639080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5261 (or 5248 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 118639080 is about 10892.1568112105. The cubic root of 118639080 is about 491.3707004853.

The spelling of 118639080 in words is "one hundred eighteen million, six hundred thirty-nine thousand, eighty".