40544404 has 24 divisors (see below), whose sum is σ = 77100800. Its totient is φ = 18584640.

The previous prime is 40544401. The next prime is 40544411. The reversal of 40544404 is 40444504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40544401) 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, 6249 + ... + 10960.

Almost surely, 2^40544404 is an apocalyptic number.

It is an amenable number.

40544404 is a deficient number, since it is larger than the sum of its proper divisors (36556396).

40544404 is a wasteful number, since it uses less digits than its factorization.

40544404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17263 (or 17261 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 40544404 is about 6367.4487826758. The cubic root of 40544404 is about 343.5397328302.

Adding to 40544404 its reverse (40444504), we get a palindrome (80988908).

The spelling of 40544404 in words is "forty million, five hundred forty-four thousand, four hundred four".