421030004244 has 24 divisors (see below), whose sum is σ = 984672185280. Its totient is φ = 140019214464.

The previous prime is 421030004207. The next prime is 421030004251. The reversal of 421030004244 is 442400030124.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40509624 + ... + 40520015.

It is an arithmetic number, because the mean of its divisors is an integer number (41028007720).

Almost surely, 2^421030004244 is an apocalyptic number.

It is an amenable number.

421030004244 is an abundant number, since it is smaller than the sum of its proper divisors (563642181036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421030004244 is a wasteful number, since it uses less digits than its factorization.

421030004244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81030079 (or 81030077 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 421030004244 its reverse (442400030124), we get a palindrome (863430034368).

The spelling of 421030004244 in words is "four hundred twenty-one billion, thirty million, four thousand, two hundred forty-four".