440044004443 has 2 divisors, whose sum is σ = 440044004444. Its totient is φ = 440044004442.

The previous prime is 440044004359. The next prime is 440044004489. The reversal of 440044004443 is 344400440044.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440044004443 is a prime.

It is not a weakly prime, because it can be changed into another prime (440044004843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220022002221 + 220022002222.

It is an arithmetic number, because the mean of its divisors is an integer number (220022002222).

Almost surely, 2^440044004443 is an apocalyptic number.

440044004443 is a deficient number, since it is larger than the sum of its proper divisors (1).

440044004443 is an equidigital number, since it uses as much as digits as its factorization.

440044004443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49152, while the sum is 31.

Adding to 440044004443 its reverse (344400440044), we get a palindrome (784444444487).

The spelling of 440044004443 in words is "four hundred forty billion, forty-four million, four thousand, four hundred forty-three".