26066000000 has 112 divisors (see below), whose sum is σ = 64914598770. Its totient is φ = 10425600000.

The previous prime is 26065999963. The next prime is 26066000017. The reversal of 26066000000 is 66062.

It can be written as a sum of positive squares in 7 ways, for example, as 12260689984 + 13805310016 = 110728^2 + 117496^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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 13 ways as a sum of consecutive naturals, for example, 1993484 + ... + 2006516.

Almost surely, 2^26066000000 is an apocalyptic number.

26066000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26066000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32457299385).

26066000000 is an abundant number, since it is smaller than the sum of its proper divisors (38848598770).

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

26066000000 is an frugal number, since it uses more digits than its factorization.

26066000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13077 (or 13040 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 26066000000 its reverse (66062), we get a palindrome (26066066062).

The spelling of 26066000000 in words is "twenty-six billion, sixty-six million", and thus it is an aban number and an uban number.