441008641 has 8 divisors (see below), whose sum is σ = 443064744. Its totient is φ = 438958080.

The previous prime is 441008627. The next prime is 441008651. The reversal of 441008641 is 146800144.

It can be written as a sum of positive squares in 4 ways, for example, as 176783616 + 264225025 = 13296^2 + 16255^2 .

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 441008641 - 2⁵ = 441008609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441008621) 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, 253611 + ... + 255343.

It is an arithmetic number, because the mean of its divisors is an integer number (55383093).

Almost surely, 2^441008641 is an apocalyptic number.

It is an amenable number.

441008641 is a deficient number, since it is larger than the sum of its proper divisors (2056103).

441008641 is a wasteful number, since it uses less digits than its factorization.

441008641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 441008641 is about 21000.2057370874. The cubic root of 441008641 is about 761.1712325266.

Adding to 441008641 its reverse (146800144), we get a palindrome (587808785).

The spelling of 441008641 in words is "four hundred forty-one million, eight thousand, six hundred forty-one".