26261872068 has 48 divisors (see below), whose sum is σ = 65218547520. Its totient is φ = 8196317184.

The previous prime is 26261872057. The next prime is 26261872079. The reversal of 26261872068 is 86027816262.

It is an interprime number because it is at equal distance from previous prime (26261872057) and next prime (26261872079).

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 15 ways as a sum of consecutive naturals, for example, 294138 + ... + 372881.

It is an arithmetic number, because the mean of its divisors is an integer number (1358719740).

Almost surely, 2^26261872068 is an apocalyptic number.

It is an amenable number.

26261872068 is an abundant number, since it is smaller than the sum of its proper divisors (38956675452).

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

26261872068 is a wasteful number, since it uses less digits than its factorization.

26261872068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667236 (or 667234 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 26261872068 in words is "twenty-six billion, two hundred sixty-one million, eight hundred seventy-two thousand, sixty-eight".