2002244323144 has 32 divisors (see below), whose sum is σ = 4280816486520. Its totient is φ = 869753189376.

The previous prime is 2002244323139. The next prime is 2002244323151. The reversal of 2002244323144 is 4413234422002.

It can be written as a sum of positive squares in 4 ways, for example, as 952361292100 + 1049883031044 = 975890^2 + 1024638^2 .

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, 566243799 + ... + 566247334.

Almost surely, 2^{2002244323144} is an apocalyptic number.

It is an amenable number.

2002244323144 is an abundant number, since it is smaller than the sum of its proper divisors (2278572163376).

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

2002244323144 is a wasteful number, since it uses less digits than its factorization.

2002244323144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132491169 (or 1132491165 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 2002244323144 its reverse (4413234422002), we get a palindrome (6415478745146).

The spelling of 2002244323144 in words is "two trillion, two billion, two hundred forty-four million, three hundred twenty-three thousand, one hundred forty-four".