26305198336 has 72 divisors (see below), whose sum is σ = 55759747680. Its totient is φ = 12342534144.

The previous prime is 26305198331. The next prime is 26305198369. The reversal of 26305198336 is 63389150362.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (26305198331) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1501435 + ... + 1518853.

It is an arithmetic number, because the mean of its divisors is an integer number (774440940).

Almost surely, 2^26305198336 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 26305198336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27879873840).

26305198336 is an abundant number, since it is smaller than the sum of its proper divisors (29454549344).

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

26305198336 is a wasteful number, since it uses less digits than its factorization.

26305198336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17799 (or 17785 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 26305198336 in words is "twenty-six billion, three hundred five million, one hundred ninety-eight thousand, three hundred thirty-six".