40304504 has 8 divisors (see below), whose sum is σ = 75570960. Its totient is φ = 20152248.

The previous prime is 40304503. The next prime is 40304527. The reversal of 40304504 is 40540304.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40304503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2519024 + ... + 2519039.

It is an arithmetic number, because the mean of its divisors is an integer number (9446370).

Almost surely, 2^40304504 is an apocalyptic number.

It is an amenable number.

40304504 is a deficient number, since it is larger than the sum of its proper divisors (35266456).

40304504 is a wasteful number, since it uses less digits than its factorization.

40304504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5038069 (or 5038065 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 40304504 is about 6348.5828339874. The cubic root of 40304504 is about 342.8608206616.

Adding to 40304504 its reverse (40540304), we get a palindrome (80844808).

The spelling of 40304504 in words is "forty million, three hundred four thousand, five hundred four".