2543324144 has 40 divisors (see below), whose sum is σ = 5057020080. Its totient is φ = 1238635008.

The previous prime is 2543324137. The next prime is 2543324191. The reversal of 2543324144 is 4414233452.

It is a self number, because there is not a number n which added to its sum of digits gives 2543324144.

It is a congruent number.

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, 107084 + ... + 128660.

It is an arithmetic number, because the mean of its divisors is an integer number (126425502).

Almost surely, 2^2543324144 is an apocalyptic number.

It is an amenable number.

2543324144 is a deficient number, since it is larger than the sum of its proper divisors (2513695936).

2543324144 is a wasteful number, since it uses less digits than its factorization.

2543324144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21777 (or 21771 counting only the distinct ones).

The product of its digits is 46080, while the sum is 32.

The square root of 2543324144 is about 50431.3805482261. The cubic root of 2543324144 is about 1365.0039392159.

Adding to 2543324144 its reverse (4414233452), we get a palindrome (6957557596).

The spelling of 2543324144 in words is "two billion, five hundred forty-three million, three hundred twenty-four thousand, one hundred forty-four".