4021444441092 has 48 divisors (see below), whose sum is σ = 10105303037760. Its totient is φ = 1237350995328.

The previous prime is 4021444441087. The next prime is 4021444441117. The reversal of 4021444441092 is 2901444441204.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 4021444441092.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17053663 + ... + 17287865.

It is an arithmetic number, because the mean of its divisors is an integer number (210527146620).

Almost surely, 2^{4021444441092} is an apocalyptic number.

It is an amenable number.

4021444441092 is an abundant number, since it is smaller than the sum of its proper divisors (6083858596668).

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

4021444441092 is a wasteful number, since it uses less digits than its factorization.

4021444441092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344292 (or 344290 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 39.

Adding to 4021444441092 its reverse (2901444441204), we get a palindrome (6922888882296).

The spelling of 4021444441092 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred forty-one thousand, ninety-two".