440004222143 has 2 divisors, whose sum is σ = 440004222144. Its totient is φ = 440004222142.

The previous prime is 440004222131. The next prime is 440004222173. The reversal of 440004222143 is 341222400044.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440004222143 - 2¹⁴ = 440004205759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440004222173) 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, 220002111071 + 220002111072.

It is an arithmetic number, because the mean of its divisors is an integer number (220002111072).

Almost surely, 2^440004222143 is an apocalyptic number.

440004222143 is a deficient number, since it is larger than the sum of its proper divisors (1).

440004222143 is an equidigital number, since it uses as much as digits as its factorization.

440004222143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 440004222143 its reverse (341222400044), we get a palindrome (781226622187).

The spelling of 440004222143 in words is "four hundred forty billion, four million, two hundred twenty-two thousand, one hundred forty-three".