444420479 has 2 divisors, whose sum is σ = 444420480. Its totient is φ = 444420478.

The previous prime is 444420461. The next prime is 444420481. The reversal of 444420479 is 974024444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 444420479 - 2¹⁶ = 444354943 is a prime.

It is a super-3 number, since 3×444420479³ (a number of 27 digits) contains 333 as substring.

Together with 444420481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444420419) 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 as a sum of consecutive naturals, namely, 222210239 + 222210240.

It is an arithmetic number, because the mean of its divisors is an integer number (222210240).

Almost surely, 2^444420479 is an apocalyptic number.

444420479 is a deficient number, since it is larger than the sum of its proper divisors (1).

444420479 is an equidigital number, since it uses as much as digits as its factorization.

444420479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 38.

The square root of 444420479 is about 21081.2826697049. The cubic root of 444420479 is about 763.1291113295.

The spelling of 444420479 in words is "four hundred forty-four million, four hundred twenty thousand, four hundred seventy-nine".