442144241 has 8 divisors (see below), whose sum is σ = 551244864. Its totient is φ = 344527920.

The previous prime is 442144229. The next prime is 442144247. The reversal of 442144241 is 142441244.

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

It is not a de Polignac number, because 442144241 - 2¹⁰ = 442143217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442144241.

It is not an unprimeable number, because it can be changed into a prime (442144247) 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, 2870990 + ... + 2871143.

It is an arithmetic number, because the mean of its divisors is an integer number (68905608).

Almost surely, 2^442144241 is an apocalyptic number.

It is an amenable number.

442144241 is a deficient number, since it is larger than the sum of its proper divisors (109100623).

442144241 is a wasteful number, since it uses less digits than its factorization.

442144241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5742151.

The product of its digits is 4096, while the sum is 26.

The square root of 442144241 is about 21027.2261841642. The cubic root of 442144241 is about 761.8240127655.

Adding to 442144241 its reverse (142441244), we get a palindrome (584585485).

The spelling of 442144241 in words is "four hundred forty-two million, one hundred forty-four thousand, two hundred forty-one".