118055790 has 48 divisors (see below), whose sum is σ = 310132368. Its totient is φ = 31154688.

The previous prime is 118055779. The next prime is 118055813. The reversal of 118055790 is 97550811.

118055790 is a `hidden beast` number, since 1 + 1 + 80 + 5 + 579 + 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, 1969 + ... + 15491.

It is an arithmetic number, because the mean of its divisors is an integer number (6461091).

Almost surely, 2^118055790 is an apocalyptic number.

118055790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 118055790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155066184).

118055790 is an abundant number, since it is smaller than the sum of its proper divisors (192076578).

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

118055790 is a wasteful number, since it uses less digits than its factorization.

118055790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13633 (or 13630 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 36.

The square root of 118055790 is about 10865.3481306399. The cubic root of 118055790 is about 490.5641011407.

The spelling of 118055790 in words is "one hundred eighteen million, fifty-five thousand, seven hundred ninety".