442324441 has 8 divisors (see below), whose sum is σ = 487968264. Its totient is φ = 398340480.

The previous prime is 442324433. The next prime is 442324453. The reversal of 442324441 is 144423244.

It can be written as a sum of positive squares in 4 ways, for example, as 10890000 + 431434441 = 3300^2 + 20771^2 .

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 442324441 - 2³ = 442324433 is a prime.

It is a super-2 number, since 2×442324441² = 391301822211924962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442324741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414406 + ... + 415471.

It is an arithmetic number, because the mean of its divisors is an integer number (60996033).

Almost surely, 2^442324441 is an apocalyptic number.

442324441 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

442324441 is a deficient number, since it is larger than the sum of its proper divisors (45643823).

442324441 is a wasteful number, since it uses less digits than its factorization.

442324441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829931.

The product of its digits is 12288, while the sum is 28.

The square root of 442324441 is about 21031.5106685183. The cubic root of 442324441 is about 761.9274948637.

Adding to 442324441 its reverse (144423244), we get a palindrome (586747685).

The spelling of 442324441 in words is "four hundred forty-two million, three hundred twenty-four thousand, four hundred forty-one".