• 264 can be written using four 4's:
264 is nontrivially palindromic in base 7 and base 9.
264 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.
It is a nude number because it is divisible by every one of its digits.
It is a d-powerful number, because it can be written as 2 + 6 + 44 .
264 is an undulating number in base 7 and base 9.
It is a plaindrome in base 14 and base 15.
It is a nialpdrome in base 8 and base 11.
264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
264 is a wasteful number, since it uses less digits than its factorization.
264 is an evil number, because the sum of its binary digits is even.
The square root of 264 is about 16.2480768093. The cubic root of 264 is about 6.4150686600.
Adding to 264 its sum of digits (12), we get a triangular number (276 = T23).
Subtracting from 264 its sum of digits (12), we obtain a palindrome (252).
264 divided by its sum of digits (12) gives a palindrome (22).
Subtracting from 264 its product of digits (48), we obtain a cube (216 = 63).
The spelling of 264 in words is "two hundred sixty-four", and thus it is an aban number.