2003404404 has 24 divisors (see below), whose sum is σ = 4676912800. Its totient is φ = 667472544.

The previous prime is 2003404363. The next prime is 2003404411. The reversal of 2003404404 is 4044043002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15079 + ... + 65070.

Almost surely, 2^2003404404 is an apocalyptic number.

It is an amenable number.

2003404404 is an abundant number, since it is smaller than the sum of its proper divisors (2673508396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2003404404 is a wasteful number, since it uses less digits than its factorization.

2003404404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82239 (or 82237 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 2003404404 is about 44759.4057601305. The cubic root of 2003404404 is about 1260.6355246983.

Adding to 2003404404 its reverse (4044043002), we get a palindrome (6047447406).

The spelling of 2003404404 in words is "two billion, three million, four hundred four thousand, four hundred four".