26566502460 has 48 divisors (see below), whose sum is σ = 76396651296. Its totient is φ = 6892929792.

The previous prime is 26566502441. The next prime is 26566502467. The reversal of 26566502460 is 6420566562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26566502467) 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 15 ways as a sum of consecutive naturals, for example, 5981227 + ... + 5985666.

It is an arithmetic number, because the mean of its divisors is an integer number (1591596902).

Almost surely, 2^26566502460 is an apocalyptic number.

26566502460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26566502460 is an abundant number, since it is smaller than the sum of its proper divisors (49830148836).

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

26566502460 is a wasteful number, since it uses less digits than its factorization.

26566502460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11966942 (or 11966940 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 26566502460 in words is "twenty-six billion, five hundred sixty-six million, five hundred two thousand, four hundred sixty".