4404021043 has 4 divisors (see below), whose sum is σ = 4436167320. Its totient is φ = 4371874768.

The previous prime is 4404021031. The next prime is 4404021049. The reversal of 4404021043 is 3401204044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4404021043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4404021049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16072933 + ... + 16073206.

It is an arithmetic number, because the mean of its divisors is an integer number (1109041830).

Almost surely, 2^4404021043 is an apocalyptic number.

4404021043 is a deficient number, since it is larger than the sum of its proper divisors (32146277).

4404021043 is a wasteful number, since it uses less digits than its factorization.

4404021043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32146276.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4404021043 is about 66362.7986374897. The cubic root of 4404021043 is about 1639.1415598340.

Adding to 4404021043 its reverse (3401204044), we get a palindrome (7805225087).

The spelling of 4404021043 in words is "four billion, four hundred four million, twenty-one thousand, forty-three".