444421423000 has 32 divisors (see below), whose sum is σ = 1039946132160. Its totient is φ = 177768568800.

The previous prime is 444421422997. The next prime is 444421423031. The reversal of 444421423000 is 324124444.

It is a super-3 number, since 3×444421423000³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 444421423000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222209712 + ... + 222211711.

It is an arithmetic number, because the mean of its divisors is an integer number (32498316630).

Almost surely, 2^444421423000 is an apocalyptic number.

444421423000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444421423000 is an abundant number, since it is smaller than the sum of its proper divisors (595524709160).

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

444421423000 is a wasteful number, since it uses less digits than its factorization.

444421423000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444421444 (or 444421430 counting only the distinct ones).

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

Adding to 444421423000 its reverse (324124444), we get a palindrome (444745547444).

The spelling of 444421423000 in words is "four hundred forty-four billion, four hundred twenty-one million, four hundred twenty-three thousand".