2543244424 has 64 divisors (see below), whose sum is σ = 5609640960. Its totient is φ = 1058460480.

The previous prime is 2543244409. The next prime is 2543244427. The reversal of 2543244424 is 4244423452.

It is a self number, because there is not a number n which added to its sum of digits gives 2543244424.

It is not an unprimeable number, because it can be changed into a prime (2543244427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261619 + ... + 271165.

It is an arithmetic number, because the mean of its divisors is an integer number (87650640).

Almost surely, 2^2543244424 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 2543244424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2804820480).

2543244424 is an abundant number, since it is smaller than the sum of its proper divisors (3066396536).

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

2543244424 is a wasteful number, since it uses less digits than its factorization.

2543244424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9698 (or 9694 counting only the distinct ones).

The product of its digits is 122880, while the sum is 34.

The square root of 2543244424 is about 50430.5901611314. The cubic root of 2543244424 is about 1364.9896771393.

Adding to 2543244424 its reverse (4244423452), we get a palindrome (6787667876).

The spelling of 2543244424 in words is "two billion, five hundred forty-three million, two hundred forty-four thousand, four hundred twenty-four".