40232 has 16 divisors (see below), whose sum is σ = 77760.
Its totient is φ = 19504.
The previous prime is 40231. The next prime is 40237. The reversal of 40232 is 23204.
Adding to 40232 its reverse (23204), we get a palindrome (63436).
It can be divided in two parts, 402 and 32, that added together give a palindrome (434).
It is a super-2 number, since 2×402322 = 3237227648, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (40231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323 + ... + 429.
It is an arithmetic number, because the mean of its divisors is an integer number (4860).
240232 is an apocalyptic number.
It is an amenable number.
40232 is a deficient number, since it is larger than the sum of its proper divisors (37528).
40232 is a wasteful number, since it uses less digits than its factorization.
40232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 160 (or 156 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 11.
The square root of 40232 is about 200.5791614301.
The cubic root of 40232 is about 34.2655105836.
The spelling of 40232 in words is "forty thousand, two hundred thirty-two".