26047918864 has 40 divisors (see below), whose sum is σ = 55114686720. Its totient is φ = 11827305600.

The previous prime is 26047918849. The next prime is 26047918867. The reversal of 26047918864 is 46881974062.

It is a happy number.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (26047918867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86977 + ... + 244255.

It is an arithmetic number, because the mean of its divisors is an integer number (1377867168).

Almost surely, 2^26047918864 is an apocalyptic number.

It is an amenable number.

26047918864 is an abundant number, since it is smaller than the sum of its proper divisors (29066767856).

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

26047918864 is a wasteful number, since it uses less digits than its factorization.

26047918864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158239 (or 158233 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 26047918864 in words is "twenty-six billion, forty-seven million, nine hundred eighteen thousand, eight hundred sixty-four".