40324040 has 16 divisors (see below), whose sum is σ = 90729180. Its totient is φ = 16129600.

The previous prime is 40324021. The next prime is 40324079. The reversal of 40324040 is 4042304.

40324040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 35545444 + 4778596 = 5962^2 + 2186^2 .

It is an unprimeable number.

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, 504011 + ... + 504090.

Almost surely, 2^40324040 is an apocalyptic number.

40324040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40324040 is an abundant number, since it is smaller than the sum of its proper divisors (50405140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40324040 is a wasteful number, since it uses less digits than its factorization.

40324040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008112 (or 1008108 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 40324040 is about 6350.1212586848. The cubic root of 40324040 is about 342.9162077474.

Adding to 40324040 its reverse (4042304), we get a palindrome (44366344).

The spelling of 40324040 in words is "forty million, three hundred twenty-four thousand, forty".