443042434 has 4 divisors (see below), whose sum is σ = 664563654. Its totient is φ = 221521216.

The previous prime is 443042419. The next prime is 443042461. The reversal of 443042434 is 434240344.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 401401225 + 41641209 = 20035^2 + 6453^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110760607 + ... + 110760610.

Almost surely, 2^443042434 is an apocalyptic number.

443042434 is a deficient number, since it is larger than the sum of its proper divisors (221521220).

443042434 is a wasteful number, since it uses less digits than its factorization.

443042434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221521219.

The product of its (nonzero) digits is 18432, while the sum is 28.

The square root of 443042434 is about 21048.5732058019. The cubic root of 443042434 is about 762.3395324419.

Adding to 443042434 its reverse (434240344), we get a palindrome (877282778).

It can be divided in two parts, 4430 and 42434, that added together give a palindrome (46864).

The spelling of 443042434 in words is "four hundred forty-three million, forty-two thousand, four hundred thirty-four".