444434421424 has 40 divisors (see below), whose sum is σ = 985404984608. Its totient is φ = 190220244480.

The previous prime is 444434421421. The next prime is 444434421427. The reversal of 444434421424 is 424124434444.

It is an interprime number because it is at equal distance from previous prime (444434421421) and next prime (444434421427).

It is not an unprimeable number, because it can be changed into a prime (444434421421) 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, 2536197 + ... + 2705764.

Almost surely, 2^444434421424 is an apocalyptic number.

It is an amenable number.

444434421424 is an abundant number, since it is smaller than the sum of its proper divisors (540970563184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444434421424 is a wasteful number, since it uses less digits than its factorization.

444434421424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5242733 (or 5242727 counting only the distinct ones).

The product of its digits is 786432, while the sum is 40.

Adding to 444434421424 its reverse (424124434444), we get a palindrome (868558855868).

The spelling of 444434421424 in words is "four hundred forty-four billion, four hundred thirty-four million, four hundred twenty-one thousand, four hundred twenty-four".