4021444443224 has 32 divisors (see below), whose sum is σ = 8547604590000. Its totient is φ = 1758364371072.

The previous prime is 4021444443209. The next prime is 4021444443227. The reversal of 4021444443224 is 4223444441204.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021444443227) 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, 1017569999 + ... + 1017573950.

Almost surely, 2^{4021444443224} is an apocalyptic number.

It is an amenable number.

4021444443224 is an abundant number, since it is smaller than the sum of its proper divisors (4526160146776).

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

4021444443224 is a wasteful number, since it uses less digits than its factorization.

4021444443224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035143987 (or 2035143983 counting only the distinct ones).

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

Adding to 4021444443224 its reverse (4223444441204), we get a palindrome (8244888884428).

The spelling of 4021444443224 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred forty-three thousand, two hundred twenty-four".