200440670 has 8 divisors (see below), whose sum is σ = 360793224. Its totient is φ = 80176264.

The previous prime is 200440649. The next prime is 200440679. The reversal of 200440670 is 76044002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200440679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10022024 + ... + 10022043.

It is an arithmetic number, because the mean of its divisors is an integer number (45099153).

Almost surely, 2^200440670 is an apocalyptic number.

200440670 is a deficient number, since it is larger than the sum of its proper divisors (160352554).

200440670 is a wasteful number, since it uses less digits than its factorization.

200440670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20044074.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 200440670 is about 14157.7070883671. The cubic root of 200440670 is about 585.2327415409.

Adding to 200440670 its reverse (76044002), we get a palindrome (276484672).

The spelling of 200440670 in words is "two hundred million, four hundred forty thousand, six hundred seventy".