442234431323445 has 8 divisors (see below), whose sum is σ = 707575090117536. Its totient is φ = 235858363372496.

The previous prime is 442234431323429. The next prime is 442234431323449. The reversal of 442234431323445 is 544323134432244.

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 442234431323445 - 2⁴ = 442234431323429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442234431323394 and 442234431323403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442234431323449) 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, 14741147710767 + ... + 14741147710796.

It is an arithmetic number, because the mean of its divisors is an integer number (88446886264692).

Almost surely, 2^{442234431323445} is an apocalyptic number.

It is an amenable number.

442234431323445 is a deficient number, since it is larger than the sum of its proper divisors (265340658794091).

442234431323445 is a wasteful number, since it uses less digits than its factorization.

442234431323445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29482295421571.

The product of its digits is 13271040, while the sum is 48.

Adding to 442234431323445 its reverse (544323134432244), we get a palindrome (986557565755689).

The spelling of 442234431323445 in words is "four hundred forty-two trillion, two hundred thirty-four billion, four hundred thirty-one million, three hundred twenty-three thousand, four hundred forty-five".