64455264 is a `hidden beast` number, since 6 + 44 + 552 + 64 = 666.
It is a tau number, because it is divible by the number of its divisors (108).
It is a congruent number.
Almost surely, 264455264 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 64455264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95477382).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64455264 is an frugal number, since it uses more digits than its factorization.
64455264 is an evil number, because the sum of its binary digits is even.
The square root of 64455264 is about 8028.4035772998. The cubic root of 64455264 is about 400.9462265400.
The spelling of 64455264 in words is "sixty-four million, four hundred fifty-five thousand, two hundred sixty-four".