441040064221 has 4 divisors (see below), whose sum is σ = 464252699200. Its totient is φ = 417827429244.

The previous prime is 441040064173. The next prime is 441040064237. The reversal of 441040064221 is 122460040144.

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 441040064221 - 2⁷ = 441040064093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 441040064221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441040064251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11606317461 + ... + 11606317498.

It is an arithmetic number, because the mean of its divisors is an integer number (116063174800).

Almost surely, 2^441040064221 is an apocalyptic number.

It is an amenable number.

441040064221 is a deficient number, since it is larger than the sum of its proper divisors (23212634979).

441040064221 is a wasteful number, since it uses less digits than its factorization.

441040064221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23212634978.

The product of its (nonzero) digits is 6144, while the sum is 28.

The spelling of 441040064221 in words is "four hundred forty-one billion, forty million, sixty-four thousand, two hundred twenty-one".