4021444330004 has 24 divisors (see below), whose sum is σ = 7100966815488. Its totient is φ = 1992671414240.

The previous prime is 4021444329979. The next prime is 4021444330067. The reversal of 4021444330004 is 4000334441204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9127772 + ... + 9558195.

It is an arithmetic number, because the mean of its divisors is an integer number (295873617312).

Almost surely, 2^{4021444330004} is an apocalyptic number.

It is an amenable number.

4021444330004 is a deficient number, since it is larger than the sum of its proper divisors (3079522485484).

4021444330004 is a wasteful number, since it uses less digits than its factorization.

4021444330004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18686455 (or 18686453 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 4021444330004 its reverse (4000334441204), we get a palindrome (8021778771208).

The spelling of 4021444330004 in words is "four trillion, twenty-one billion, four hundred forty-four million, three hundred thirty thousand, four".