200018944 has 44 divisors (see below), whose sum is σ = 412806208. Its totient is φ = 96768000.

The previous prime is 200018849. The next prime is 200018953. The reversal of 200018944 is 449810002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28594 + ... + 34894.

Almost surely, 2^200018944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200018944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206403104).

200018944 is an abundant number, since it is smaller than the sum of its proper divisors (212787264).

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

200018944 is an equidigital number, since it uses as much as digits as its factorization.

200018944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6352 (or 6334 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 200018944 is about 14142.8053794147. The cubic root of 200018944 is about 584.8220112570.

Adding to 200018944 its reverse (449810002), we get a palindrome (649828946).

The spelling of 200018944 in words is "two hundred million, eighteen thousand, nine hundred forty-four".