442455320401 has 8 divisors (see below), whose sum is σ = 483594430464. Its totient is φ = 402995357760.

The previous prime is 442455320399. The next prime is 442455320443. The reversal of 442455320401 is 104023554244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 442455320401 - 2¹ = 442455320399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442455300401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419786305 + ... + 419787358.

It is an arithmetic number, because the mean of its divisors is an integer number (60449303808).

Almost surely, 2^442455320401 is an apocalyptic number.

It is an amenable number.

442455320401 is a deficient number, since it is larger than the sum of its proper divisors (41139110063).

442455320401 is a wasteful number, since it uses less digits than its factorization.

442455320401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839573711.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 442455320401 its reverse (104023554244), we get a palindrome (546478874645).

The spelling of 442455320401 in words is "four hundred forty-two billion, four hundred fifty-five million, three hundred twenty thousand, four hundred one".