442144233443 has 4 divisors (see below), whose sum is σ = 482339163768. Its totient is φ = 401949303120.

The previous prime is 442144233437. The next prime is 442144233449. The reversal of 442144233443 is 344332441244.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (442144233437) and next prime (442144233449).

It is a cyclic number.

It is not a de Polignac number, because 442144233443 - 2²⁶ = 442077124579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442144233397 and 442144233406.

It is not an unprimeable number, because it can be changed into a prime (442144233449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20097465146 + ... + 20097465167.

It is an arithmetic number, because the mean of its divisors is an integer number (120584790942).

Almost surely, 2^442144233443 is an apocalyptic number.

442144233443 is a deficient number, since it is larger than the sum of its proper divisors (40194930325).

442144233443 is a wasteful number, since it uses less digits than its factorization.

442144233443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40194930324.

The product of its digits is 442368, while the sum is 38.

Adding to 442144233443 its reverse (344332441244), we get a palindrome (786476674687).

The spelling of 442144233443 in words is "four hundred forty-two billion, one hundred forty-four million, two hundred thirty-three thousand, four hundred forty-three".