26206680208 has 20 divisors (see below), whose sum is σ = 53762234220. Its totient is φ = 12332555264.

The previous prime is 26206680193. The next prime is 26206680223. The reversal of 26206680208 is 80208660262.

It is an interprime number because it is at equal distance from previous prime (26206680193) and next prime (26206680223).

It can be written as a sum of positive squares in 2 ways, for example, as 16908321024 + 9298359184 = 130032^2 + 96428^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48173773 + ... + 48174316.

It is an arithmetic number, because the mean of its divisors is an integer number (2688111711).

Almost surely, 2^26206680208 is an apocalyptic number.

It is an amenable number.

26206680208 is an abundant number, since it is smaller than the sum of its proper divisors (27555554012).

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

26206680208 is a wasteful number, since it uses less digits than its factorization.

26206680208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96348114 (or 96348108 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 26206680208 in words is "twenty-six billion, two hundred six million, six hundred eighty thousand, two hundred eight".