1004404441 has 2 divisors, whose sum is σ = 1004404442. Its totient is φ = 1004404440.

The previous prime is 1004404439. The next prime is 1004404447. The reversal of 1004404441 is 1444044001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 747475600 + 256928841 = 27340^2 + 16029^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004404441 - 2¹ = 1004404439 is a prime.

It is a super-2 number, since 2×1004404441² = 2017656562201044962, which contains 22 as substring.

Together with 1004404439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1004404447) 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 as a sum of consecutive naturals, namely, 502202220 + 502202221.

It is an arithmetic number, because the mean of its divisors is an integer number (502202221).

Almost surely, 2^1004404441 is an apocalyptic number.

It is an amenable number.

1004404441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004404441 is an equidigital number, since it uses as much as digits as its factorization.

1004404441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1004404441 is about 31692.3404153117. The cubic root of 1004404441 is about 1001.4659968032.

Adding to 1004404441 its reverse (1444044001), we get a palindrome (2448448442).

The spelling of 1004404441 in words is "one billion, four million, four hundred four thousand, four hundred forty-one".