444343431 has 8 divisors (see below), whose sum is σ = 677094784. Its totient is φ = 253910520.

The previous prime is 444343411. The next prime is 444343439. The reversal of 444343431 is 134343444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 444343431 - 2⁹ = 444342919 is a prime.

It is a super-2 number, since 2×444343431² = 394882169345703522, 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 (444343439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10579585 + ... + 10579626.

It is an arithmetic number, because the mean of its divisors is an integer number (84636848).

Almost surely, 2^444343431 is an apocalyptic number.

444343431 is a deficient number, since it is larger than the sum of its proper divisors (232751353).

444343431 is a wasteful number, since it uses less digits than its factorization.

444343431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21159221.

The product of its digits is 27648, while the sum is 30.

The square root of 444343431 is about 21079.4551874568. The cubic root of 444343431 is about 763.0850082239.

Adding to 444343431 its reverse (134343444), we get a palindrome (578686875).

It can be divided in two parts, 4443 and 43431, that added together give a palindrome (47874).

The spelling of 444343431 in words is "four hundred forty-four million, three hundred forty-three thousand, four hundred thirty-one".