442440400220267 has 2 divisors, whose sum is σ = 442440400220268. Its totient is φ = 442440400220266.

The previous prime is 442440400220201. The next prime is 442440400220359. The reversal of 442440400220267 is 762022004044244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442440400220267 - 2²² = 442440396025963 is a prime.

It is not a weakly prime, because it can be changed into another prime (442440400520267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221220200110133 + 221220200110134.

It is an arithmetic number, because the mean of its divisors is an integer number (221220200110134).

Almost surely, 2^{442440400220267} is an apocalyptic number.

442440400220267 is a deficient number, since it is larger than the sum of its proper divisors (1).

442440400220267 is an equidigital number, since it uses as much as digits as its factorization.

442440400220267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 688128, while the sum is 41.

The spelling of 442440400220267 in words is "four hundred forty-two trillion, four hundred forty billion, four hundred million, two hundred twenty thousand, two hundred sixty-seven".