26003643216 has 80 divisors (see below), whose sum is σ = 69963700608. Its totient is φ = 8314790400.

The previous prime is 26003643151. The next prime is 26003643217. The reversal of 26003643216 is 61234630062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26003643217) 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, 22986 + ... + 229206.

Almost surely, 2^26003643216 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 26003643216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34981850304).

26003643216 is an abundant number, since it is smaller than the sum of its proper divisors (43960057392).

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

26003643216 is a wasteful number, since it uses less digits than its factorization.

26003643216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206340 (or 206334 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The spelling of 26003643216 in words is "twenty-six billion, three million, six hundred forty-three thousand, two hundred sixteen".