442324443 has 16 divisors (see below), whose sum is σ = 665568000. Its totient is φ = 258830880.

The previous prime is 442324433. The next prime is 442324453. The reversal of 442324443 is 344423244.

It is an interprime number because it is at equal distance from previous prime (442324433) and next prime (442324453).

It is not a de Polignac number, because 442324443 - 2¹⁷ = 442193371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 442324443.

It is not an unprimeable number, because it can be changed into a prime (442324433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230143 + ... + 232056.

It is an arithmetic number, because the mean of its divisors is an integer number (41598000).

Almost surely, 2^442324443 is an apocalyptic number.

442324443 is a deficient number, since it is larger than the sum of its proper divisors (223243557).

442324443 is a wasteful number, since it uses less digits than its factorization.

442324443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462242.

The product of its digits is 36864, while the sum is 30.

The square root of 442324443 is about 21031.5107160660. The cubic root of 442324443 is about 761.9274960121.

Adding to 442324443 its reverse (344423244), we get a palindrome (786747687).

The spelling of 442324443 in words is "four hundred forty-two million, three hundred twenty-four thousand, four hundred forty-three".