444012140022 has 64 divisors (see below), whose sum is σ = 984056871168. Its totient is φ = 132427152000.

The previous prime is 444012139999. The next prime is 444012140093. The reversal of 444012140022 is 220041210444.

It is a super-2 number, since 2×444012140022² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 444012139974 and 444012140001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5179872 + ... + 5264892.

It is an arithmetic number, because the mean of its divisors is an integer number (15375888612).

Almost surely, 2^444012140022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444012140022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492028435584).

444012140022 is an abundant number, since it is smaller than the sum of its proper divisors (540044731146).

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

444012140022 is a wasteful number, since it uses less digits than its factorization.

444012140022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86285.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 444012140022 its reverse (220041210444), we get a palindrome (664053350466).

The spelling of 444012140022 in words is "four hundred forty-four billion, twelve million, one hundred forty thousand, twenty-two".