2040504443 has 4 divisors (see below), whose sum is σ = 2042382720. Its totient is φ = 2038626168.

The previous prime is 2040504421. The next prime is 2040504451. The reversal of 2040504443 is 3444050402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2040504443 - 2²⁰ = 2039455867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040504493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937508 + ... + 939681.

It is an arithmetic number, because the mean of its divisors is an integer number (510595680).

Almost surely, 2^2040504443 is an apocalyptic number.

2040504443 is a deficient number, since it is larger than the sum of its proper divisors (1878277).

2040504443 is a wasteful number, since it uses less digits than its factorization.

2040504443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878276.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 2040504443 is about 45171.9430952444. The cubic root of 2040504443 is about 1268.3696696304.

Adding to 2040504443 its reverse (3444050402), we get a palindrome (5484554845).

The spelling of 2040504443 in words is "two billion, forty million, five hundred four thousand, four hundred forty-three".