442424041 has 4 divisors (see below), whose sum is σ = 446339412. Its totient is φ = 438508672.

The previous prime is 442424027. The next prime is 442424051. The reversal of 442424041 is 140424244.

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

It can be written as a sum of positive squares in 2 ways, for example, as 53348416 + 389075625 = 7304^2 + 19725^2 .

It is a cyclic number.

It is not a de Polignac number, because 442424041 - 2⁵ = 442424009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442423997 and 442424015.

It is not an unprimeable number, because it can be changed into a prime (442424011) 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, 1957516 + ... + 1957741.

It is an arithmetic number, because the mean of its divisors is an integer number (111584853).

Almost surely, 2^442424041 is an apocalyptic number.

It is an amenable number.

442424041 is a deficient number, since it is larger than the sum of its proper divisors (3915371).

442424041 is a wasteful number, since it uses less digits than its factorization.

442424041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3915370.

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 442424041 is about 21033.8784107924. The cubic root of 442424041 is about 761.9846793465.

Adding to 442424041 its reverse (140424244), we get a palindrome (582848285).

The spelling of 442424041 in words is "four hundred forty-two million, four hundred twenty-four thousand, forty-one".