26868669260 has 24 divisors (see below), whose sum is σ = 56492303280. Its totient is φ = 10734496704.

The previous prime is 26868669227. The next prime is 26868669263. The reversal of 26868669260 is 6296686862.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 26868669260.

It is not an unprimeable number, because it can be changed into a prime (26868669263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793694 + ... + 826853.

It is an arithmetic number, because the mean of its divisors is an integer number (2353845970).

Almost surely, 2^26868669260 is an apocalyptic number.

26868669260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26868669260 is an abundant number, since it is smaller than the sum of its proper divisors (29623634020).

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

26868669260 is a wasteful number, since it uses less digits than its factorization.

26868669260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621385 (or 1621383 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 59.

The spelling of 26868669260 in words is "twenty-six billion, eight hundred sixty-eight million, six hundred sixty-nine thousand, two hundred sixty".