444213242 has 32 divisors (see below), whose sum is σ = 764769600. Its totient is φ = 191632000.

The previous prime is 444213241. The next prime is 444213257. The reversal of 444213242 is 242312444.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (444213241) 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, 31742 + ... + 43542.

It is an arithmetic number, because the mean of its divisors is an integer number (23899050).

Almost surely, 2^444213242 is an apocalyptic number.

444213242 is a deficient number, since it is larger than the sum of its proper divisors (320556358).

444213242 is a wasteful number, since it uses less digits than its factorization.

444213242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11902.

The product of its digits is 6144, while the sum is 26.

The square root of 444213242 is about 21076.3669070359. The cubic root of 444213242 is about 763.0104750504.

Adding to 444213242 its reverse (242312444), we get a palindrome (686525686).

The spelling of 444213242 in words is "four hundred forty-four million, two hundred thirteen thousand, two hundred forty-two".