40441405 has 16 divisors (see below), whose sum is σ = 51592320. Its totient is φ = 30345408.

The previous prime is 40441393. The next prime is 40441409. The reversal of 40441405 is 50414404.

40441405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 40441405 - 2⁷ = 40441277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40441409) 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 15 ways as a sum of consecutive naturals, for example, 7719 + ... + 11851.

It is an arithmetic number, because the mean of its divisors is an integer number (3224520).

Almost surely, 2^40441405 is an apocalyptic number.

It is an amenable number.

40441405 is a deficient number, since it is larger than the sum of its proper divisors (11150915).

40441405 is a wasteful number, since it uses less digits than its factorization.

40441405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4260.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 40441405 is about 6359.3557063589. The cubic root of 40441405 is about 343.2485767051.

Adding to 40441405 its reverse (50414404), we get a palindrome (90855809).

The spelling of 40441405 in words is "forty million, four hundred forty-one thousand, four hundred five".