442353533444 has 12 divisors (see below), whose sum is σ = 787239339600. Its totient is φ = 217428007848.

The previous prime is 442353533443. The next prime is 442353533471. The reversal of 442353533444 is 444335353244.

It is a super-2 number, since 2×442353533444² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442353533395 and 442353533404.

It is not an unprimeable number, because it can be changed into a prime (442353533441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937189454 + ... + 937189925.

It is an arithmetic number, because the mean of its divisors is an integer number (65603278300).

Almost surely, 2^442353533444 is an apocalyptic number.

It is an amenable number.

442353533444 is a deficient number, since it is larger than the sum of its proper divisors (344885806156).

442353533444 is a wasteful number, since it uses less digits than its factorization.

442353533444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874379442 (or 1874379440 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 44.

Adding to 442353533444 its reverse (444335353244), we get a palindrome (886688886688).

The spelling of 442353533444 in words is "four hundred forty-two billion, three hundred fifty-three million, five hundred thirty-three thousand, four hundred forty-four".