40441001 has 4 divisors (see below), whose sum is σ = 40467600. Its totient is φ = 40414404.

The previous prime is 40440947. The next prime is 40441007. The reversal of 40441001 is 10014404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40441001 - 2¹⁰ = 40439977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40441007) 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 3 ways as a sum of consecutive naturals, for example, 10871 + ... + 14108.

It is an arithmetic number, because the mean of its divisors is an integer number (10116900).

Almost surely, 2^40441001 is an apocalyptic number.

It is an amenable number.

40441001 is a deficient number, since it is larger than the sum of its proper divisors (26599).

40441001 is a wasteful number, since it uses less digits than its factorization.

40441001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26598.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 40441001 is about 6359.3239420555. The cubic root of 40441001 is about 343.2474337108.

Adding to 40441001 its reverse (10014404), we get a palindrome (50455405).

The spelling of 40441001 in words is "forty million, four hundred forty-one thousand, one".