442064787460244 has 12 divisors (see below), whose sum is σ = 833122099444404. Its totient is φ = 204029901904704.

The previous prime is 442064787460243. The next prime is 442064787460267.

It is a happy number.

442064787460244 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 25954561971844 + 416110225488400 = 5094562^2 + 20398780^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442064787460243) 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 in 3 ways as a sum of consecutive naturals, for example, 4250622956297 + ... + 4250622956400.

It is an arithmetic number, because the mean of its divisors is an integer number (69426841620367).

Almost surely, 2^{442064787460244} is an apocalyptic number.

It is an amenable number.

442064787460244 is a deficient number, since it is larger than the sum of its proper divisors (391057311984160).

442064787460244 is a wasteful number, since it uses less digits than its factorization.

442064787460244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8501245912714 (or 8501245912712 counting only the distinct ones).

The product of its (nonzero) digits is 231211008, while the sum is 62.

The spelling of 442064787460244 in words is "four hundred forty-two trillion, sixty-four billion, seven hundred eighty-seven million, four hundred sixty thousand, two hundred forty-four".