40331324 has 12 divisors (see below), whose sum is σ = 76996248. Its totient is φ = 18332400.

The previous prime is 40331323. The next prime is 40331353. The reversal of 40331324 is 42313304.

40331324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40331296 and 40331305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40331323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458267 + ... + 458354.

It is an arithmetic number, because the mean of its divisors is an integer number (6416354).

Almost surely, 2^40331324 is an apocalyptic number.

40331324 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40331324 is a deficient number, since it is larger than the sum of its proper divisors (36664924).

40331324 is a wasteful number, since it uses less digits than its factorization.

40331324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916636 (or 916634 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 40331324 is about 6350.6947651418. The cubic root of 40331324 is about 342.9368542507.

Adding to 40331324 its reverse (42313304), we get a palindrome (82644628).

The spelling of 40331324 in words is "forty million, three hundred thirty-one thousand, three hundred twenty-four".