2040443404 has 6 divisors (see below), whose sum is σ = 3570775964. Its totient is φ = 1020221700.

The previous prime is 2040443401. The next prime is 2040443407. The reversal of 2040443404 is 4043440402.

It is an interprime number because it is at equal distance from previous prime (2040443401) and next prime (2040443407).

It is not an unprimeable number, because it can be changed into a prime (2040443401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255055422 + ... + 255055429.

Almost surely, 2^2040443404 is an apocalyptic number.

It is an amenable number.

2040443404 is a deficient number, since it is larger than the sum of its proper divisors (1530332560).

2040443404 is a wasteful number, since it uses less digits than its factorization.

2040443404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510110855 (or 510110853 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 2040443404 is about 45171.2674606325. The cubic root of 2040443404 is about 1268.3570223022.

Adding to 2040443404 its reverse (4043440402), we get a palindrome (6083883806).

The spelling of 2040443404 in words is "two billion, forty million, four hundred forty-three thousand, four hundred four".