442053505444 has 12 divisors (see below), whose sum is σ = 807228140544. Its totient is φ = 211416893864.

The previous prime is 442053505403. The next prime is 442053505457. The reversal of 442053505444 is 444505350244.

It is a super-2 number, since 2×442053505444² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442053505397 and 442053505406.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 2402464612 + ... + 2402464795.

It is an arithmetic number, because the mean of its divisors is an integer number (67269011712).

Almost surely, 2^442053505444 is an apocalyptic number.

It is an amenable number.

442053505444 is a deficient number, since it is larger than the sum of its proper divisors (365174635100).

442053505444 is a wasteful number, since it uses less digits than its factorization.

442053505444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4804929434 (or 4804929432 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 40.

Adding to 442053505444 its reverse (444505350244), we get a palindrome (886558855688).

The spelling of 442053505444 in words is "four hundred forty-two billion, fifty-three million, five hundred five thousand, four hundred forty-four".