442441432321204 has 24 divisors (see below), whose sum is σ = 781951047941448. Its totient is φ = 219026917094400.

The previous prime is 442441432321171. The next prime is 442441432321247. The reversal of 442441432321204 is 402123234144244.

It can be written as a sum of positive squares in 4 ways, for example, as 149365795540900 + 293075636780304 = 12221530^2 + 17119452^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16704472 + ... + 34116304.

It is an arithmetic number, because the mean of its divisors is an integer number (32581293664227).

Almost surely, 2^{442441432321204} is an apocalyptic number.

It is an amenable number.

442441432321204 is a deficient number, since it is larger than the sum of its proper divisors (339509615620244).

442441432321204 is a wasteful number, since it uses less digits than its factorization.

442441432321204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17474835 (or 17474833 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 40.

Adding to 442441432321204 its reverse (402123234144244), we get a palindrome (844564666465448).

The spelling of 442441432321204 in words is "four hundred forty-two trillion, four hundred forty-one billion, four hundred thirty-two million, three hundred twenty-one thousand, two hundred four".