4404444001243 has 32 divisors (see below), whose sum is σ = 5226066397440. Its totient is φ = 3659212364160.

The previous prime is 4404444001231. The next prime is 4404444001253. The reversal of 4404444001243 is 3421004444044.

It is a cyclic number.

It is not a de Polignac number, because 4404444001243 - 2⁹ = 4404444000731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4404444001199 and 4404444001208.

It is not an unprimeable number, because it can be changed into a prime (4404444001213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24683421 + ... + 24861217.

It is an arithmetic number, because the mean of its divisors is an integer number (163314574920).

Almost surely, 2^{4404444001243} is an apocalyptic number.

4404444001243 is a deficient number, since it is larger than the sum of its proper divisors (821622396197).

4404444001243 is a wasteful number, since it uses less digits than its factorization.

4404444001243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179547.

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 4404444001243 its reverse (3421004444044), we get a palindrome (7825448445287).

The spelling of 4404444001243 in words is "four trillion, four hundred four billion, four hundred forty-four million, one thousand, two hundred forty-three".