40504403 has 8 divisors (see below), whose sum is σ = 42336000. Its totient is φ = 38678728.

The previous prime is 40504397. The next prime is 40504417. The reversal of 40504403 is 30440504.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40504403 - 2⁶ = 40504339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40504423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18248 + ... + 20346.

It is an arithmetic number, because the mean of its divisors is an integer number (5292000).

Almost surely, 2^40504403 is an apocalyptic number.

40504403 is a deficient number, since it is larger than the sum of its proper divisors (1831597).

40504403 is a wasteful number, since it uses less digits than its factorization.

40504403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2961.

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

The square root of 40504403 is about 6364.3069536282. The cubic root of 40504403 is about 343.4267171961.

Adding to 40504403 its reverse (30440504), we get a palindrome (70944907).

The spelling of 40504403 in words is "forty million, five hundred four thousand, four hundred three".