It is a nude number because it is divisible by every one of its digits.
Almost surely, 243664688 is an apocalyptic number.
43664688 is a gapful number since it is divisible by the number (48) 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 43664688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61344660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
43664688 is a wasteful number, since it uses less digits than its factorization.
43664688 is an evil number, because the sum of its binary digits is even.
The square root of 43664688 is about 6607.9261497084. The cubic root of 43664688 is about 352.1357517029.
The spelling of 43664688 in words is "forty-three million, six hundred sixty-four thousand, six hundred eighty-eight".