442430321320043 has 16 divisors (see below), whose sum is σ = 518349963791616. Its totient is φ = 369722109929760.

The previous prime is 442430321319913. The next prime is 442430321320061. The reversal of 442430321320043 is 340023123034244.

It is not a de Polignac number, because 442430321320043 - 2¹² = 442430321315947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442430321319985 and 442430321320012.

It is not an unprimeable number, because it can be changed into a prime (442430321320543) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1358310521 + ... + 1358636202.

It is an arithmetic number, because the mean of its divisors is an integer number (32396872736976).

Almost surely, 2^{442430321320043} is an apocalyptic number.

442430321320043 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

442430321320043 is a deficient number, since it is larger than the sum of its proper divisors (75919642471573).

442430321320043 is a wasteful number, since it uses less digits than its factorization.

442430321320043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716947314.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 442430321320043 its reverse (340023123034244), we get a palindrome (782453444354287).

The spelling of 442430321320043 in words is "four hundred forty-two trillion, four hundred thirty billion, three hundred twenty-one million, three hundred twenty thousand, forty-three".