40441365 has 24 divisors (see below), whose sum is σ = 70263648. Its totient is φ = 21517920.

The previous prime is 40441363. The next prime is 40441369. The reversal of 40441365 is 56314404.

It is not a de Polignac number, because 40441365 - 2¹ = 40441363 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40441361) 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 23 ways as a sum of consecutive naturals, for example, 25650 + ... + 27180.

It is an arithmetic number, because the mean of its divisors is an integer number (2927652).

Almost surely, 2^40441365 is an apocalyptic number.

40441365 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40441365 is a deficient number, since it is larger than the sum of its proper divisors (29822283).

40441365 is a wasteful number, since it uses less digits than its factorization.

40441365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129 (or 2126 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 40441365 is about 6359.3525613855. The cubic root of 40441365 is about 343.2484635377.

Adding to 40441365 its reverse (56314404), we get a palindrome (96755769).

The spelling of 40441365 in words is "forty million, four hundred forty-one thousand, three hundred sixty-five".