4021444322144 has 48 divisors (see below), whose sum is σ = 8086024267776. Its totient is φ = 1967854608000.

The previous prime is 4021444322089. The next prime is 4021444322209. The reversal of 4021444322144 is 4412234441204.

It is a super-2 number, since 2×4021444322144² (a number of 26 digits) contains 22 as substring.

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, 46657649 + ... + 46743759.

It is an arithmetic number, because the mean of its divisors is an integer number (168458838912).

Almost surely, 2^{4021444322144} is an apocalyptic number.

It is an amenable number.

4021444322144 is an abundant number, since it is smaller than the sum of its proper divisors (4064579945632).

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

4021444322144 is a wasteful number, since it uses less digits than its factorization.

4021444322144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117219 (or 117211 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 35.

Adding to 4021444322144 its reverse (4412234441204), we get a palindrome (8433678763348).

The spelling of 4021444322144 in words is "four trillion, twenty-one billion, four hundred forty-four million, three hundred twenty-two thousand, one hundred forty-four".