2002544244 has 18 divisors (see below), whose sum is σ = 5061986930. Its totient is φ = 667514736.

The previous prime is 2002544213. The next prime is 2002544251. The reversal of 2002544244 is 4424452002.

It can be written as a sum of positive squares in only one way, i.e., 1561040100 + 441504144 = 39510^2 + 21012^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27813079 + ... + 27813150.

Almost surely, 2^2002544244 is an apocalyptic number.

It is an amenable number.

2002544244 is an abundant number, since it is smaller than the sum of its proper divisors (3059442686).

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

2002544244 is a wasteful number, since it uses less digits than its factorization.

2002544244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55626239 (or 55626234 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 2002544244 is about 44749.7960218815. The cubic root of 2002544244 is about 1260.4550812698.

Adding to 2002544244 its reverse (4424452002), we get a palindrome (6426996246).

The spelling of 2002544244 in words is "two billion, two million, five hundred forty-four thousand, two hundred forty-four".