442066335505 has 16 divisors (see below), whose sum is σ = 531217056384. Its totient is φ = 353161785600.

The previous prime is 442066335499. The next prime is 442066335509. The reversal of 442066335505 is 505533660244.

It is not a de Polignac number, because 442066335505 - 2⁹ = 442066334993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442066335509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10708905 + ... + 10750105.

It is an arithmetic number, because the mean of its divisors is an integer number (33201066024).

Almost surely, 2^442066335505 is an apocalyptic number.

It is an amenable number.

442066335505 is a deficient number, since it is larger than the sum of its proper divisors (89150720879).

442066335505 is a wasteful number, since it uses less digits than its factorization.

442066335505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44136.

The product of its (nonzero) digits is 1296000, while the sum is 43.

Adding to 442066335505 its reverse (505533660244), we get a palindrome (947599995749).

The spelling of 442066335505 in words is "four hundred forty-two billion, sixty-six million, three hundred thirty-five thousand, five hundred five".