40441161 has 8 divisors (see below), whose sum is σ = 54048384. Its totient is φ = 26897360.

The previous prime is 40441123. The next prime is 40441183. The reversal of 40441161 is 16114404.

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 40441161 - 2¹⁵ = 40408393 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 14346 + ... + 16931.

It is an arithmetic number, because the mean of its divisors is an integer number (6756048).

Almost surely, 2^40441161 is an apocalyptic number.

It is an amenable number.

40441161 is a deficient number, since it is larger than the sum of its proper divisors (13607223).

40441161 is a wasteful number, since it uses less digits than its factorization.

40441161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31711.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 40441161 is about 6359.3365219966. The cubic root of 40441161 is about 343.2478863827.

Adding to 40441161 its reverse (16114404), we get a palindrome (56555565).

The spelling of 40441161 in words is "forty million, four hundred forty-one thousand, one hundred sixty-one".