444042219 has 4 divisors (see below), whose sum is σ = 592056296. Its totient is φ = 296028144.

The previous prime is 444042211. The next prime is 444042251. The reversal of 444042219 is 912240444.

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

It is not a de Polignac number, because 444042219 - 2³ = 444042211 is a prime.

It is a super-2 number, since 2×444042219² = 394346984508887922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444042211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74007034 + ... + 74007039.

It is an arithmetic number, because the mean of its divisors is an integer number (148014074).

Almost surely, 2^444042219 is an apocalyptic number.

444042219 is a deficient number, since it is larger than the sum of its proper divisors (148014077).

444042219 is a wasteful number, since it uses less digits than its factorization.

444042219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148014076.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 444042219 is about 21072.3092944271. The cubic root of 444042219 is about 762.9125422872.

The spelling of 444042219 in words is "four hundred forty-four million, forty-two thousand, two hundred nineteen".