40441465 has 4 divisors (see below), whose sum is σ = 48529764. Its totient is φ = 32353168.

The previous prime is 40441463. The next prime is 40441469. The reversal of 40441465 is 56414404.

40441465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27994681 + 12446784 = 5291^2 + 3528^2 .

It is a cyclic number.

It is not a de Polignac number, because 40441465 - 2¹ = 40441463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40441463) 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 3 ways as a sum of consecutive naturals, for example, 4044142 + ... + 4044151.

It is an arithmetic number, because the mean of its divisors is an integer number (12132441).

Almost surely, 2^40441465 is an apocalyptic number.

It is an amenable number.

40441465 is a deficient number, since it is larger than the sum of its proper divisors (8088299).

40441465 is an equidigital number, since it uses as much as digits as its factorization.

40441465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8088298.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 40441465 is about 6359.3604238162. The cubic root of 40441465 is about 343.2487464561.

Adding to 40441465 its reverse (56414404), we get a palindrome (96855869).

The spelling of 40441465 in words is "forty million, four hundred forty-one thousand, four hundred sixty-five".