440000201 has 2 divisors, whose sum is σ = 440000202. Its totient is φ = 440000200.

The previous prime is 440000177. The next prime is 440000219. The reversal of 440000201 is 102000044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 355360201 + 84640000 = 18851^2 + 9200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440000201 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (440000221) by changing a digit.

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 as a sum of consecutive naturals, namely, 220000100 + 220000101.

It is an arithmetic number, because the mean of its divisors is an integer number (220000101).

Almost surely, 2^440000201 is an apocalyptic number.

It is an amenable number.

440000201 is a deficient number, since it is larger than the sum of its proper divisors (1).

440000201 is an equidigital number, since it uses as much as digits as its factorization.

440000201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 440000201 is about 20976.1817545520. The cubic root of 440000201 is about 760.5906079694.

Adding to 440000201 its reverse (102000044), we get a palindrome (542000245).

The spelling of 440000201 in words is "four hundred forty million, two hundred one", and thus it is an aban number.