It is a tau number, because it is divible by the number of its divisors (288).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
Almost surely, 2266782223232 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 266782223232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (461915613900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
266782223232 is a wasteful number, since it uses less digits than its factorization.
266782223232 is an evil number, because the sum of its binary digits is even.
The spelling of 266782223232 in words is "two hundred sixty-six billion, seven hundred eighty-two million, two hundred twenty-three thousand, two hundred thirty-two".