442440424221359 has 2 divisors, whose sum is σ = 442440424221360. Its totient is φ = 442440424221358.

The previous prime is 442440424221331. The next prime is 442440424221457. The reversal of 442440424221359 is 953122424044244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442440424221359 - 2¹² = 442440424217263 is a prime.

It is a super-2 number, since 2×442440424221359² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442440424227359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221220212110679 + 221220212110680.

It is an arithmetic number, because the mean of its divisors is an integer number (221220212110680).

Almost surely, 2^{442440424221359} is an apocalyptic number.

442440424221359 is a deficient number, since it is larger than the sum of its proper divisors (1).

442440424221359 is an equidigital number, since it uses as much as digits as its factorization.

442440424221359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8847360, while the sum is 50.

The spelling of 442440424221359 in words is "four hundred forty-two trillion, four hundred forty billion, four hundred twenty-four million, two hundred twenty-one thousand, three hundred fifty-nine".