118339780 has 48 divisors (see below), whose sum is σ = 269144064. Its totient is φ = 43447680.

The previous prime is 118339769. The next prime is 118339783. The reversal of 118339780 is 87933811.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (118339783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48469 + ... + 50851.

It is an arithmetic number, because the mean of its divisors is an integer number (5607168).

Almost surely, 2^118339780 is an apocalyptic number.

118339780 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 118339780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134572032).

118339780 is an abundant number, since it is smaller than the sum of its proper divisors (150804284).

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

118339780 is a wasteful number, since it uses less digits than its factorization.

118339780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596 (or 2594 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 118339780 is about 10878.4088910098. The cubic root of 118339780 is about 490.9571462081.

The spelling of 118339780 in words is "one hundred eighteen million, three hundred thirty-nine thousand, seven hundred eighty".