200669440 has 72 divisors (see below), whose sum is σ = 483594048. Its totient is φ = 79779840.

The previous prime is 200669383. The next prime is 200669459. The reversal of 200669440 is 44966002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269709 + ... + 270451.

It is an arithmetic number, because the mean of its divisors is an integer number (6716584).

Almost surely, 2^200669440 is an apocalyptic number.

200669440 is a gapful number since it is divisible by the number (20) 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 200669440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241797024).

200669440 is an abundant number, since it is smaller than the sum of its proper divisors (282924608).

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

200669440 is an equidigital number, since it uses as much as digits as its factorization.

200669440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975 (or 961 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 200669440 is about 14165.7841293731. The cubic root of 200669440 is about 585.4553058058.

The spelling of 200669440 in words is "two hundred million, six hundred sixty-nine thousand, four hundred forty".