440111221019 has 2 divisors, whose sum is σ = 440111221020. Its totient is φ = 440111221018.

The previous prime is 440111221013. The next prime is 440111221049. The reversal of 440111221019 is 910122111044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440111221019 - 2²⁰ = 440110172443 is a prime.

It is a super-2 number, since 2×440111221019² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (440111221013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220055610509 + 220055610510.

It is an arithmetic number, because the mean of its divisors is an integer number (220055610510).

Almost surely, 2^440111221019 is an apocalyptic number.

440111221019 is a deficient number, since it is larger than the sum of its proper divisors (1).

440111221019 is an equidigital number, since it uses as much as digits as its factorization.

440111221019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 440111221019 in words is "four hundred forty billion, one hundred eleven million, two hundred twenty-one thousand, nineteen".