442441244404 has 6 divisors (see below), whose sum is σ = 774272177714. Its totient is φ = 221220622200.

The previous prime is 442441244387. The next prime is 442441244419. The reversal of 442441244404 is 404442144244.

It can be written as a sum of positive squares in only one way, i.e., 226214384400 + 216226860004 = 475620^2 + 465002^2 .

It is a super-2 number, since 2×442441244404² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55305155547 + ... + 55305155554.

Almost surely, 2^442441244404 is an apocalyptic number.

It is an amenable number.

442441244404 is a deficient number, since it is larger than the sum of its proper divisors (331830933310).

442441244404 is a wasteful number, since it uses less digits than its factorization.

442441244404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110610311105 (or 110610311103 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 37.

Adding to 442441244404 its reverse (404442144244), we get a palindrome (846883388648).

The spelling of 442441244404 in words is "four hundred forty-two billion, four hundred forty-one million, two hundred forty-four thousand, four hundred four".