442128707441 has 8 divisors (see below), whose sum is σ = 445259443680. Its totient is φ = 439005313152.

The previous prime is 442128707437. The next prime is 442128707473. The reversal of 442128707441 is 144707821244.

It is a happy number.

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 442128707441 - 2² = 442128707437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442128707392 and 442128707401.

It is not an unprimeable number, because it can be changed into a prime (442128707941) 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 7 ways as a sum of consecutive naturals, for example, 1714595 + ... + 1955528.

It is an arithmetic number, because the mean of its divisors is an integer number (55657430460).

Almost surely, 2^442128707441 is an apocalyptic number.

It is an amenable number.

442128707441 is a deficient number, since it is larger than the sum of its proper divisors (3130736239).

442128707441 is a wasteful number, since it uses less digits than its factorization.

442128707441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670975.

The product of its (nonzero) digits is 401408, while the sum is 44.

The spelling of 442128707441 in words is "four hundred forty-two billion, one hundred twenty-eight million, seven hundred seven thousand, four hundred forty-one".