201044440443 has 16 divisors (see below), whose sum is σ = 334203745536. Its totient is φ = 104438670240.

The previous prime is 201044440393. The next prime is 201044440447. The reversal of 201044440443 is 344044440102.

It is not a de Polignac number, because 201044440443 - 2¹⁰ = 201044439419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201044440443.

It is not an unprimeable number, because it can be changed into a prime (201044440447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435160896 + ... + 435161357.

It is an arithmetic number, because the mean of its divisors is an integer number (20887734096).

Almost surely, 2^201044440443 is an apocalyptic number.

201044440443 is a deficient number, since it is larger than the sum of its proper divisors (133159305093).

201044440443 is a wasteful number, since it uses less digits than its factorization.

201044440443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870322274.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 201044440443 its reverse (344044440102), we get a palindrome (545088880545).

The spelling of 201044440443 in words is "two hundred one billion, forty-four million, four hundred forty thousand, four hundred forty-three".