40324304 has 20 divisors (see below), whose sum is σ = 80649600. Its totient is φ = 19511520.

The previous prime is 40324303. The next prime is 40324307. The reversal of 40324304 is 40342304.

It is a happy number.

40324304 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40324303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40154 + ... + 41145.

It is an arithmetic number, because the mean of its divisors is an integer number (4032480).

Almost surely, 2^40324304 is an apocalyptic number.

It is an amenable number.

40324304 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40324304 is a wasteful number, since it uses less digits than its factorization.

40324304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81338 (or 81332 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 40324304 is about 6350.1420456554. The cubic root of 40324304 is about 342.9169560990.

Adding to 40324304 its reverse (40342304), we get a palindrome (80666608).

The spelling of 40324304 in words is "forty million, three hundred twenty-four thousand, three hundred four".