2040443425 has 6 divisors (see below), whose sum is σ = 2530149878. Its totient is φ = 1632354720.

The previous prime is 2040443423. The next prime is 2040443437. The reversal of 2040443425 is 5243440402.

It can be written as a sum of positive squares in 3 ways, for example, as 340365601 + 1700077824 = 18449^2 + 41232^2 .

It is not a de Polignac number, because 2040443425 - 2¹ = 2040443423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2040443393 and 2040443402.

It is not an unprimeable number, because it can be changed into a prime (2040443423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40808844 + ... + 40808893.

Almost surely, 2^2040443425 is an apocalyptic number.

2040443425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2040443425 is a deficient number, since it is larger than the sum of its proper divisors (489706453).

2040443425 is an equidigital number, since it uses as much as digits as its factorization.

2040443425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81617747 (or 81617742 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 2040443425 is about 45171.2676930812. The cubic root of 2040443425 is about 1268.3570266534.

Adding to 2040443425 its reverse (5243440402), we get a palindrome (7283883827).

The spelling of 2040443425 in words is "two billion, forty million, four hundred forty-three thousand, four hundred twenty-five".