26259909248 has 128 divisors (see below), whose sum is σ = 58166683200. Its totient is φ = 11751505920.

The previous prime is 26259909229. The next prime is 26259909289. The reversal of 26259909248 is 84290995262.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 26259909193 and 26259909202.

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, 4224863 + ... + 4231073.

Almost surely, 2^26259909248 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 26259909248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29083341600).

26259909248 is an abundant number, since it is smaller than the sum of its proper divisors (31906773952).

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

26259909248 is a wasteful number, since it uses less digits than its factorization.

26259909248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6338 (or 6326 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 56.

The spelling of 26259909248 in words is "twenty-six billion, two hundred fifty-nine million, nine hundred nine thousand, two hundred forty-eight".