444423241 has 2 divisors, whose sum is σ = 444423242. Its totient is φ = 444423240.

The previous prime is 444423233. The next prime is 444423271. The reversal of 444423241 is 142324444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248535225 + 195888016 = 15765^2 + 13996^2 .

It is a cyclic number.

It is not a de Polignac number, because 444423241 - 2³ = 444423233 is a prime.

It is a super-3 number, since 3×444423241³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (444423271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222211620 + 222211621.

It is an arithmetic number, because the mean of its divisors is an integer number (222211621).

Almost surely, 2^444423241 is an apocalyptic number.

It is an amenable number.

444423241 is a deficient number, since it is larger than the sum of its proper divisors (1).

444423241 is an equidigital number, since it uses as much as digits as its factorization.

444423241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12288, while the sum is 28.

The square root of 444423241 is about 21081.3481779510. The cubic root of 444423241 is about 763.1306922335.

Adding to 444423241 its reverse (142324444), we get a palindrome (586747685).

The spelling of 444423241 in words is "four hundred forty-four million, four hundred twenty-three thousand, two hundred forty-one".