It is a happy number.
It is a tau number, because it is divible by the number of its divisors (40).
It is an unprimeable number.
Almost surely, 226550320 is an apocalyptic number.
26550320 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 26550320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31262880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26550320 is a wasteful number, since it uses less digits than its factorization.
26550320 is an evil number, because the sum of its binary digits is even.
The square root of 26550320 is about 5152.7002629689. The cubic root of 26550320 is about 298.3251859105.
Adding to 26550320 its reverse (2305562), we get a palindrome (28855882).
The spelling of 26550320 in words is "twenty-six million, five hundred fifty thousand, three hundred twenty".