2544245144 has 64 divisors (see below), whose sum is σ = 5680834560. Its totient is φ = 1045278720.

The previous prime is 2544245117. The next prime is 2544245159. The reversal of 2544245144 is 4415424452.

It is a happy number.

It is a congruent 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, 178904 + ... + 192600.

It is an arithmetic number, because the mean of its divisors is an integer number (88763040).

Almost surely, 2^2544245144 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 2544245144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2840417280).

2544245144 is an abundant number, since it is smaller than the sum of its proper divisors (3136589416).

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

2544245144 is a wasteful number, since it uses less digits than its factorization.

2544245144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13848 (or 13844 counting only the distinct ones).

The product of its digits is 102400, while the sum is 35.

The square root of 2544245144 is about 50440.5109411076. The cubic root of 2544245144 is about 1365.1686864570.

Adding to 2544245144 its reverse (4415424452), we get a palindrome (6959669596).

The spelling of 2544245144 in words is "two billion, five hundred forty-four million, two hundred forty-five thousand, one hundred forty-four".