21424241422304 has 24 divisors (see below), whose sum is σ = 48204543200688. Its totient is φ = 9181817752320.

The previous prime is 21424241422271. The next prime is 21424241422321. The reversal of 21424241422304 is 40322414242412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47821967237 + ... + 47821967684.

It is an arithmetic number, because the mean of its divisors is an integer number (2008522633362).

Almost surely, 2^{21424241422304} is an apocalyptic number.

It is an amenable number.

21424241422304 is an abundant number, since it is smaller than the sum of its proper divisors (26780301778384).

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

21424241422304 is an equidigital number, since it uses as much as digits as its factorization.

21424241422304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95643934938 (or 95643934930 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 35.

Adding to 21424241422304 its reverse (40322414242412), we get a palindrome (61746655664716).

The spelling of 21424241422304 in words is "twenty-one trillion, four hundred twenty-four billion, two hundred forty-one million, four hundred twenty-two thousand, three hundred four".