40504432 has 10 divisors (see below), whose sum is σ = 78477368. Its totient is φ = 20252208.

The previous prime is 40504423. The next prime is 40504517. The reversal of 40504432 is 23440504.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265748 + ... + 1265779.

Almost surely, 2^40504432 is an apocalyptic number.

It is an amenable number.

40504432 is a deficient number, since it is larger than the sum of its proper divisors (37972936).

40504432 is a wasteful number, since it uses less digits than its factorization.

40504432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531535 (or 2531529 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 40504432 is about 6364.3092319591. The cubic root of 40504432 is about 343.4267991573.

Adding to 40504432 its reverse (23440504), we get a palindrome (63944936).

The spelling of 40504432 in words is "forty million, five hundred four thousand, four hundred thirty-two".