2040443201 has 4 divisors (see below), whose sum is σ = 2040557652. Its totient is φ = 2040328752.

The previous prime is 2040443191. The next prime is 2040443239. The reversal of 2040443201 is 1023440402.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1633372225 + 407070976 = 40415^2 + 20176^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040443201 - 2¹⁸ = 2040181057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040443261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24086 + ... + 68271.

It is an arithmetic number, because the mean of its divisors is an integer number (510139413).

Almost surely, 2^2040443201 is an apocalyptic number.

It is an amenable number.

2040443201 is a deficient number, since it is larger than the sum of its proper divisors (114451).

2040443201 is an equidigital number, since it uses as much as digits as its factorization.

2040443201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114450.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2040443201 is about 45171.2652136289. The cubic root of 2040443201 is about 1268.3569802400.

Adding to 2040443201 its reverse (1023440402), we get a palindrome (3063883603).

The spelling of 2040443201 in words is "two billion, forty million, four hundred forty-three thousand, two hundred one".