200440660 has 48 divisors (see below), whose sum is σ = 481864320. Its totient is φ = 68607360.

The previous prime is 200440649. The next prime is 200440679. The reversal of 200440660 is 66044002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154615 + ... + 155905.

It is an arithmetic number, because the mean of its divisors is an integer number (10038840).

Almost surely, 2^200440660 is an apocalyptic number.

200440660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200440660 is an abundant number, since it is smaller than the sum of its proper divisors (281423660).

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

200440660 is a wasteful number, since it uses less digits than its factorization.

200440660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416 (or 2414 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 200440660 is about 14157.7067352026. The cubic root of 200440660 is about 585.2327318084.

Adding to 200440660 its reverse (66044002), we get a palindrome (266484662).

The spelling of 200440660 in words is "two hundred million, four hundred forty thousand, six hundred sixty".