440513201 has 2 divisors, whose sum is σ = 440513202. Its totient is φ = 440513200.

The previous prime is 440513189. The next prime is 440513261. The reversal of 440513201 is 102315044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 276058225 + 164454976 = 16615^2 + 12824^2 .

It is a cyclic number.

It is not a de Polignac number, because 440513201 - 2⁶ = 440513137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (440513261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220256600 + 220256601.

It is an arithmetic number, because the mean of its divisors is an integer number (220256601).

Almost surely, 2^440513201 is an apocalyptic number.

It is an amenable number.

440513201 is a deficient number, since it is larger than the sum of its proper divisors (1).

440513201 is an equidigital number, since it uses as much as digits as its factorization.

440513201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 440513201 is about 20988.4063473147. The cubic root of 440513201 is about 760.8860861987.

Adding to 440513201 its reverse (102315044), we get a palindrome (542828245).

The spelling of 440513201 in words is "four hundred forty million, five hundred thirteen thousand, two hundred one".