444432442 has 8 divisors (see below), whose sum is σ = 666753300. Its totient is φ = 222181344.

The previous prime is 444432431. The next prime is 444432449. The reversal of 444432442 is 244234444.

It can be written as a sum of positive squares in 2 ways, for example, as 442639521 + 1792921 = 21039^2 + 1339^2 .

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

It is not an unprimeable number, because it can be changed into a prime (444432449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3534 + ... + 30022.

Almost surely, 2^444432442 is an apocalyptic number.

444432442 is a deficient number, since it is larger than the sum of its proper divisors (222320858).

444432442 is a wasteful number, since it uses less digits than its factorization.

444432442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34880.

The product of its digits is 49152, while the sum is 31.

The square root of 444432442 is about 21081.5664029028. The cubic root of 444432442 is about 763.1359586225.

Adding to 444432442 its reverse (244234444), we get a palindrome (688666886).

The spelling of 444432442 in words is "four hundred forty-four million, four hundred thirty-two thousand, four hundred forty-two".