40544365 has 8 divisors (see below), whose sum is σ = 48732768. Its totient is φ = 32382480.

The previous prime is 40544363. The next prime is 40544381. The reversal of 40544365 is 56344504.

40544365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40544365 - 2¹ = 40544363 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40544363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3091 + ... + 9520.

It is an arithmetic number, because the mean of its divisors is an integer number (6091596).

Almost surely, 2^40544365 is an apocalyptic number.

It is an amenable number.

40544365 is a deficient number, since it is larger than the sum of its proper divisors (8188403).

40544365 is a wasteful number, since it uses less digits than its factorization.

40544365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13259.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 40544365 is about 6367.4457202241. The cubic root of 40544365 is about 343.5396226789.

Adding to 40544365 its reverse (56344504), we get a palindrome (96888869).

The spelling of 40544365 in words is "forty million, five hundred forty-four thousand, three hundred sixty-five".