444404242 has 32 divisors (see below), whose sum is σ = 719124480. Its totient is φ = 205228800.

The previous prime is 444404237. The next prime is 444404263. The reversal of 444404242 is 242404444.

It is a self number, because there is not a number n which added to its sum of digits gives 444404242.

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 15 ways as a sum of consecutive naturals, for example, 435609 + ... + 436627.

It is an arithmetic number, because the mean of its divisors is an integer number (22472640).

Almost surely, 2^444404242 is an apocalyptic number.

444404242 is a deficient number, since it is larger than the sum of its proper divisors (274720238).

444404242 is a wasteful number, since it uses less digits than its factorization.

444404242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266.

The product of its (nonzero) digits is 16384, while the sum is 28.

The square root of 444404242 is about 21080.8975615366. The cubic root of 444404242 is about 763.1198175197.

Adding to 444404242 its reverse (242404444), we get a palindrome (686808686).

The spelling of 444404242 in words is "four hundred forty-four million, four hundred four thousand, two hundred forty-two".