442021341 has 8 divisors (see below), whose sum is σ = 594002944. Its totient is φ = 292360320.

The previous prime is 442021331. The next prime is 442021361. The reversal of 442021341 is 143120244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 442021341 - 2⁷ = 442021213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442021331) 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, 579700 + ... + 580461.

It is an arithmetic number, because the mean of its divisors is an integer number (74250368).

Almost surely, 2^442021341 is an apocalyptic number.

It is an amenable number.

442021341 is a deficient number, since it is larger than the sum of its proper divisors (151981603).

442021341 is a wasteful number, since it uses less digits than its factorization.

442021341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160291.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 442021341 is about 21024.3035794292. The cubic root of 442021341 is about 761.7534197788.

Adding to 442021341 its reverse (143120244), we get a palindrome (585141585).

The spelling of 442021341 in words is "four hundred forty-two million, twenty-one thousand, three hundred forty-one".