26530245224 has 72 divisors (see below), whose sum is σ = 61071895890. Its totient is φ = 10771621056.

The previous prime is 26530245211. The next prime is 26530245239. The reversal of 26530245224 is 42254203562.

It can be written as a sum of positive squares in only one way, i.e., 23556724324 + 2973520900 = 153482^2 + 54530^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 47774 + ... + 235250.

Almost surely, 2^26530245224 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 26530245224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30535947945).

26530245224 is an abundant number, since it is smaller than the sum of its proper divisors (34541650666).

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

26530245224 is a wasteful number, since it uses less digits than its factorization.

26530245224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187535 (or 187505 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 26530245224 its reverse (42254203562), we get a palindrome (68784448786).

The spelling of 26530245224 in words is "twenty-six billion, five hundred thirty million, two hundred forty-five thousand, two hundred twenty-four".