442440144144401 has 8 divisors (see below), whose sum is σ = 476474225654784. Its totient is φ = 408406094672400.

The previous prime is 442440144144389. The next prime is 442440144144403. The reversal of 442440144144401 is 104441441044244.

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

It is a cyclic number.

It is not a de Polignac number, because 442440144144401 - 2¹⁸ = 442440143882257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (442440144144403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26030000 + ... + 39527726.

It is an arithmetic number, because the mean of its divisors is an integer number (59559278206848).

Almost surely, 2^{442440144144401} is an apocalyptic number.

It is an amenable number.

442440144144401 is a deficient number, since it is larger than the sum of its proper divisors (34034081510383).

442440144144401 is a wasteful number, since it uses less digits than its factorization.

442440144144401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16019191.

The product of its (nonzero) digits is 524288, while the sum is 41.

Adding to 442440144144401 its reverse (104441441044244), we get a palindrome (546881585188645).

The spelling of 442440144144401 in words is "four hundred forty-two trillion, four hundred forty billion, one hundred forty-four million, one hundred forty-four thousand, four hundred one".