40441313 has 8 divisors (see below), whose sum is σ = 44167680. Its totient is φ = 36723280.

The previous prime is 40441277. The next prime is 40441327. The reversal of 40441313 is 31314404.

It is a happy number.

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

It is not a de Polignac number, because 40441313 - 2⁸ = 40441057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40441363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12608 + ... + 15486.

It is an arithmetic number, because the mean of its divisors is an integer number (5520960).

Almost surely, 2^40441313 is an apocalyptic number.

It is an amenable number.

40441313 is a deficient number, since it is larger than the sum of its proper divisors (3726367).

40441313 is a wasteful number, since it uses less digits than its factorization.

40441313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 40441313 is about 6359.3484729176. The cubic root of 40441313 is about 343.2483164200.

Adding to 40441313 its reverse (31314404), we get a palindrome (71755717).

The spelling of 40441313 in words is "forty million, four hundred forty-one thousand, three hundred thirteen".