40324664 has 8 divisors (see below), whose sum is σ = 75608760. Its totient is φ = 20162328.

The previous prime is 40324651. The next prime is 40324723. The reversal of 40324664 is 46642304.

It is a happy number.

40324664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2520284 + ... + 2520299.

It is an arithmetic number, because the mean of its divisors is an integer number (9451095).

Almost surely, 2^40324664 is an apocalyptic number.

It is an amenable number.

40324664 is a deficient number, since it is larger than the sum of its proper divisors (35284096).

40324664 is a wasteful number, since it uses less digits than its factorization.

40324664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5040589 (or 5040585 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 40324664 is about 6350.1703914147. The cubic root of 40324664 is about 342.9179765733.

Adding to 40324664 its reverse (46642304), we get a palindrome (86966968).

The spelling of 40324664 in words is "forty million, three hundred twenty-four thousand, six hundred sixty-four".