442444220104 has 16 divisors (see below), whose sum is σ = 835150585500. Its totient is φ = 219737397312.

The previous prime is 442444220089. The next prime is 442444220261. The reversal of 442444220104 is 401022444244.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 300850056004 + 141594164100 = 548498^2 + 376290^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185587827 + ... + 185590210.

Almost surely, 2^442444220104 is an apocalyptic number.

It is an amenable number.

442444220104 is a deficient number, since it is larger than the sum of its proper divisors (392706365396).

442444220104 is a wasteful number, since it uses less digits than its factorization.

442444220104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371178192 (or 371178188 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 442444220104 its reverse (401022444244), we get a palindrome (843466664348).

The spelling of 442444220104 in words is "four hundred forty-two billion, four hundred forty-four million, two hundred twenty thousand, one hundred four".