26466884864 has 36 divisors (see below), whose sum is σ = 60377585184. Its totient is φ = 11342949888.

The previous prime is 26466884839. The next prime is 26466884867. The reversal of 26466884864 is 46848866462.

It is a junction number, because it is equal to n+sod(n) for n = 26466884797 and 26466884806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26466884867) 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 3 ways as a sum of consecutive naturals, for example, 7382942 + ... + 7386525.

It is an arithmetic number, because the mean of its divisors is an integer number (1677155144).

Almost surely, 2^26466884864 is an apocalyptic number.

It is an amenable number.

26466884864 is an abundant number, since it is smaller than the sum of its proper divisors (33910700320).

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

26466884864 is an equidigital number, since it uses as much as digits as its factorization.

26466884864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14769490 (or 14769476 counting only the distinct ones).

The product of its digits is 84934656, while the sum is 62.

The spelling of 26466884864 in words is "twenty-six billion, four hundred sixty-six million, eight hundred eighty-four thousand, eight hundred sixty-four".