442426624243 has 8 divisors (see below), whose sum is σ = 447064459520. Its totient is φ = 437790355200.

The previous prime is 442426624229. The next prime is 442426624249. The reversal of 442426624243 is 342426624244.

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 442426624243 - 2²¹ = 442424527091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442426624243.

It is not an unprimeable number, because it can be changed into a prime (442426624249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180718 + ... + 957868.

It is an arithmetic number, because the mean of its divisors is an integer number (55883057440).

Almost surely, 2^442426624243 is an apocalyptic number.

442426624243 is a deficient number, since it is larger than the sum of its proper divisors (4637835277).

442426624243 is an equidigital number, since it uses as much as digits as its factorization.

442426624243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783117.

The product of its digits is 1769472, while the sum is 43.

Subtracting from 442426624243 its reverse (342426624244), we obtain a palindrome (99999999999).

The spelling of 442426624243 in words is "four hundred forty-two billion, four hundred twenty-six million, six hundred twenty-four thousand, two hundred forty-three".