442524121444 has 12 divisors (see below), whose sum is σ = 774458085100. Its totient is φ = 221250382848.

The previous prime is 442524121409. The next prime is 442524121517. The reversal of 442524121444 is 444121425244.

It can be written as a sum of positive squares in 2 ways, for example, as 231900033600 + 210624087844 = 481560^2 + 458938^2 .

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, 2833929 + ... + 2986000.

Almost surely, 2^442524121444 is an apocalyptic number.

It is an amenable number.

442524121444 is a deficient number, since it is larger than the sum of its proper divisors (331933963656).

442524121444 is a wasteful number, since it uses less digits than its factorization.

442524121444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5838942 (or 5838940 counting only the distinct ones).

The product of its digits is 163840, while the sum is 37.

Adding to 442524121444 its reverse (444121425244), we get a palindrome (886645546688).

The spelling of 442524121444 in words is "four hundred forty-two billion, five hundred twenty-four million, one hundred twenty-one thousand, four hundred forty-four".