4021444442120 has 128 divisors (see below), whose sum is σ = 10361256272640. Its totient is φ = 1376063493120.

The previous prime is 4021444442053. The next prime is 4021444442129. The reversal of 4021444442120 is 212444441204.

It is not an unprimeable number, because it can be changed into a prime (4021444442129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 404933555 + ... + 404943485.

It is an arithmetic number, because the mean of its divisors is an integer number (80947314630).

Almost surely, 2^{4021444442120} is an apocalyptic number.

4021444442120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4021444442120 is an abundant number, since it is smaller than the sum of its proper divisors (6339811830520).

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

4021444442120 is a wasteful number, since it uses less digits than its factorization.

4021444442120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12655 (or 12651 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 4021444442120 its reverse (212444441204), we get a palindrome (4233888883324).

The spelling of 4021444442120 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred forty-two thousand, one hundred twenty".