441420243021 has 24 divisors (see below), whose sum is σ = 652631934240. Its totient is φ = 287349715296.

The previous prime is 441420242993. The next prime is 441420243037. The reversal of 441420243021 is 120342024144.

441420243021 is a `hidden beast` number, since 4 + 4 + 1 + 4 + 202 + 430 + 21 = 666.

It is not a de Polignac number, because 441420243021 - 2⁹ = 441420242509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441420223021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1124895 + ... + 1465683.

It is an arithmetic number, because the mean of its divisors is an integer number (27192997260).

Almost surely, 2^441420243021 is an apocalyptic number.

It is an amenable number.

441420243021 is a deficient number, since it is larger than the sum of its proper divisors (211211691219).

441420243021 is a wasteful number, since it uses less digits than its factorization.

441420243021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344185 (or 344182 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 441420243021 its reverse (120342024144), we get a palindrome (561762267165).

The spelling of 441420243021 in words is "four hundred forty-one billion, four hundred twenty million, two hundred forty-three thousand, twenty-one".