444243421424 has 40 divisors (see below), whose sum is σ = 939011601792. Its totient is φ = 201919677120.

The previous prime is 444243421423. The next prime is 444243421463. The reversal of 444243421424 is 424124342444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444243421423) 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, 5213627 + ... + 5298149.

Almost surely, 2^444243421424 is an apocalyptic number.

444243421424 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

444243421424 is an abundant number, since it is smaller than the sum of its proper divisors (494768180368).

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

444243421424 is a wasteful number, since it uses less digits than its factorization.

444243421424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114405 (or 114399 counting only the distinct ones).

The product of its digits is 393216, while the sum is 38.

Adding to 444243421424 its reverse (424124342444), we get a palindrome (868367763868).

The spelling of 444243421424 in words is "four hundred forty-four billion, two hundred forty-three million, four hundred twenty-one thousand, four hundred twenty-four".