442543434 has 8 divisors (see below), whose sum is σ = 885086880. Its totient is φ = 147514476.

The previous prime is 442543429. The next prime is 442543441. The reversal of 442543434 is 434345244.

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

442543434 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 442543395 and 442543404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36878614 + ... + 36878625.

It is an arithmetic number, because the mean of its divisors is an integer number (110635860).

Almost surely, 2^442543434 is an apocalyptic number.

442543434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442543434 is a wasteful number, since it uses less digits than its factorization.

442543434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73757244.

The product of its digits is 92160, while the sum is 33.

The square root of 442543434 is about 21036.7163312148. The cubic root of 442543434 is about 762.0532165009.

Adding to 442543434 its reverse (434345244), we get a palindrome (876888678).

The spelling of 442543434 in words is "four hundred forty-two million, five hundred forty-three thousand, four hundred thirty-four".