4043204421 has 8 divisors (see below), whose sum is σ = 5391352800. Its totient is φ = 2695262832.

The previous prime is 4043204413. The next prime is 4043204423. The reversal of 4043204421 is 1244023404.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4043204421 - 2³ = 4043204413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4043204391 and 4043204400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4043204423) 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 7 ways as a sum of consecutive naturals, for example, 1851 + ... + 89943.

It is an arithmetic number, because the mean of its divisors is an integer number (673919100).

Almost surely, 2^4043204421 is an apocalyptic number.

It is an amenable number.

4043204421 is a deficient number, since it is larger than the sum of its proper divisors (1348148379).

4043204421 is a wasteful number, since it uses less digits than its factorization.

4043204421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103395.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 4043204421 is about 63586.1967804334. The cubic root of 4043204421 is about 1593.0958262438.

Adding to 4043204421 its reverse (1244023404), we get a palindrome (5287227825).

The spelling of 4043204421 in words is "four billion, forty-three million, two hundred four thousand, four hundred twenty-one".