442322022320 has 20 divisors (see below), whose sum is σ = 1028398702080. Its totient is φ = 176928808896.

The previous prime is 442322022277. The next prime is 442322022367. The reversal of 442322022320 is 23220223244.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 442322022320.

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 3 ways as a sum of consecutive naturals, for example, 2764512560 + ... + 2764512719.

It is an arithmetic number, because the mean of its divisors is an integer number (51419935104).

Almost surely, 2^442322022320 is an apocalyptic number.

442322022320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442322022320 is an abundant number, since it is smaller than the sum of its proper divisors (586076679760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442322022320 is a wasteful number, since it uses less digits than its factorization.

442322022320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5529025292 (or 5529025286 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 442322022320 its reverse (23220223244), we get a palindrome (465542245564).

It can be divided in two parts, 4 and 42322022320, that added together give a palindrome (42322022324).

The spelling of 442322022320 in words is "four hundred forty-two billion, three hundred twenty-two million, twenty-two thousand, three hundred twenty".