40441331 has 8 divisors (see below), whose sum is σ = 46295904. Its totient is φ = 34606080.

The previous prime is 40441327. The next prime is 40441361. The reversal of 40441331 is 13314404.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40441331 - 2² = 40441327 is a prime.

It is a super-2 number, since 2×40441331² = 3271002506103122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40441361) 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, 20 + ... + 8993.

It is an arithmetic number, because the mean of its divisors is an integer number (5786988).

Almost surely, 2^40441331 is an apocalyptic number.

40441331 is a deficient number, since it is larger than the sum of its proper divisors (5854573).

40441331 is an equidigital number, since it uses as much as digits as its factorization.

40441331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9661.

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

The square root of 40441331 is about 6359.3498881568. The cubic root of 40441331 is about 343.2483673453.

Adding to 40441331 its reverse (13314404), we get a palindrome (53755735).

The spelling of 40441331 in words is "forty million, four hundred forty-one thousand, three hundred thirty-one".