2003443424 has 48 divisors (see below), whose sum is σ = 4088070000. Its totient is φ = 965336064.

The previous prime is 2003443399. The next prime is 2003443441. The reversal of 2003443424 is 4243443002.

It is a junction number, because it is equal to n+sod(n) for n = 2003443393 and 2003443402.

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, 570827 + ... + 574325.

It is an arithmetic number, because the mean of its divisors is an integer number (85168125).

Almost surely, 2^2003443424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2003443424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2044035000).

2003443424 is an abundant number, since it is smaller than the sum of its proper divisors (2084626576).

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

2003443424 is a wasteful number, since it uses less digits than its factorization.

2003443424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155 (or 4147 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 2003443424 is about 44759.8416440452. The cubic root of 2003443424 is about 1260.6437090467.

Adding to 2003443424 its reverse (4243443002), we get a palindrome (6246886426).

The spelling of 2003443424 in words is "two billion, three million, four hundred forty-three thousand, four hundred twenty-four".