26550272000 has 272 divisors, whose sum is σ = 75899546112. Its totient is φ = 9083289600.

The previous prime is 26550271999. The next prime is 26550272017. The reversal of 26550272000 is 27205562.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57343769 + ... + 57344231.

Almost surely, 2^26550272000 is an apocalyptic number.

26550272000 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 26550272000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37949773056).

26550272000 is an abundant number, since it is smaller than the sum of its proper divisors (49349274112).

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

26550272000 is an frugal number, since it uses more digits than its factorization.

26550272000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

Adding to 26550272000 its reverse (27205562), we get a palindrome (26577477562).

The spelling of 26550272000 in words is "twenty-six billion, five hundred fifty million, two hundred seventy-two thousand".