118638200 has 48 divisors (see below), whose sum is σ = 276946560. Its totient is φ = 47264000.

The previous prime is 118638197. The next prime is 118638211. The reversal of 118638200 is 2836811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55145 + ... + 57255.

It is an arithmetic number, because the mean of its divisors is an integer number (5769720).

Almost surely, 2^118638200 is an apocalyptic number.

118638200 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 118638200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138473280).

118638200 is an abundant number, since it is smaller than the sum of its proper divisors (158308360).

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

118638200 is a wasteful number, since it uses less digits than its factorization.

118638200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408 (or 2399 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 118638200 is about 10892.1164150958. The cubic root of 118638200 is about 491.3694855757.

The spelling of 118638200 in words is "one hundred eighteen million, six hundred thirty-eight thousand, two hundred".