444241213 has 16 divisors (see below), whose sum is σ = 491296960. Its totient is φ = 399095424.

The previous prime is 444241211. The next prime is 444241309. The reversal of 444241213 is 312142444.

It is not a de Polignac number, because 444241213 - 2¹ = 444241211 is a prime.

It is a super-2 number, since 2×444241213² = 394700510655422738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444241211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173698 + ... + 176236.

It is an arithmetic number, because the mean of its divisors is an integer number (30706060).

Almost surely, 2^444241213 is an apocalyptic number.

444241213 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

444241213 is a deficient number, since it is larger than the sum of its proper divisors (47055747).

444241213 is a wasteful number, since it uses less digits than its factorization.

444241213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908.

The product of its digits is 3072, while the sum is 25.

The square root of 444241213 is about 21077.0304597208. The cubic root of 444241213 is about 763.0264896698.

Adding to 444241213 its reverse (312142444), we get a palindrome (756383657).

The spelling of 444241213 in words is "four hundred forty-four million, two hundred forty-one thousand, two hundred thirteen".