4044004421 has 8 divisors (see below), whose sum is σ = 4286225664. Its totient is φ = 3802265280.

The previous prime is 4044004411. The next prime is 4044004451. The reversal of 4044004421 is 1244004404.

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

It is a cyclic number.

It is not a de Polignac number, because 4044004421 - 2³⁰ = 2970262597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4044004411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103175 + ... + 136868.

It is an arithmetic number, because the mean of its divisors is an integer number (535778208).

Almost surely, 2^4044004421 is an apocalyptic number.

It is an amenable number.

4044004421 is a deficient number, since it is larger than the sum of its proper divisors (242221243).

4044004421 is a wasteful number, since it uses less digits than its factorization.

4044004421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241051.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 4044004421 is about 63592.4871427435. The cubic root of 4044004421 is about 1593.2008908147.

Adding to 4044004421 its reverse (1244004404), we get a palindrome (5288008825).

The spelling of 4044004421 in words is "four billion, forty-four million, four thousand, four hundred twenty-one".