2004042544 has 80 divisors (see below), whose sum is σ = 4576332096. Its totient is φ = 832204800.

The previous prime is 2004042527. The next prime is 2004042583. The reversal of 2004042544 is 4452404002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1163604 + ... + 1165324.

Almost surely, 2^2004042544 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 2004042544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2288166048).

2004042544 is an abundant number, since it is smaller than the sum of its proper divisors (2572289552).

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

2004042544 is a wasteful number, since it uses less digits than its factorization.

2004042544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054 (or 2048 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 2004042544 is about 44766.5337501129. The cubic root of 2004042544 is about 1260.7693596432.

Adding to 2004042544 its reverse (4452404002), we get a palindrome (6456446546).

The spelling of 2004042544 in words is "two billion, four million, forty-two thousand, five hundred forty-four".