Adding to 40308 its product of nonzero digits (96), we get a palindrome (40404).
It is a tau number, because it is divible by the number of its divisors (12).
It is an Ulam number.
It is a congruent number.
It is an unprimeable number.
40308 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
240308 is an apocalyptic number.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40308 is a wasteful number, since it uses less digits than its factorization.
40308 is an odious number, because the sum of its binary digits is odd.
The square root of 40308 is about 200.7685234293. The cubic root of 40308 is about 34.2870733588.
The spelling of 40308 in words is "forty thousand, three hundred eight".