2002144144 has 160 divisors (see below), whose sum is σ = 5337158400. Its totient is φ = 702259200.

The previous prime is 2002144139. The next prime is 2002144217. The reversal of 2002144144 is 4414412002.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 655132 + ... + 658180.

It is an arithmetic number, because the mean of its divisors is an integer number (33357240).

Almost surely, 2^2002144144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2002144144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2668579200).

2002144144 is an abundant number, since it is smaller than the sum of its proper divisors (3335014256).

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

2002144144 is a wasteful number, since it uses less digits than its factorization.

2002144144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3129 (or 3123 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2002144144 is about 44745.3253871284. The cubic root of 2002144144 is about 1260.3711311199.

Adding to 2002144144 its reverse (4414412002), we get a palindrome (6416556146).

The spelling of 2002144144 in words is "two billion, two million, one hundred forty-four thousand, one hundred forty-four".