21824303244 has 12 divisors (see below), whose sum is σ = 50923374264. Its totient is φ = 7274767744.

The previous prime is 21824303233. The next prime is 21824303269. The reversal of 21824303244 is 44230342812.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909345957 + ... + 909345980.

It is an arithmetic number, because the mean of its divisors is an integer number (4243614522).

Almost surely, 2^21824303244 is an apocalyptic number.

It is an amenable number.

21824303244 is an abundant number, since it is smaller than the sum of its proper divisors (29099071020).

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

21824303244 is a wasteful number, since it uses less digits than its factorization.

21824303244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818691944 (or 1818691942 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The spelling of 21824303244 in words is "twenty-one billion, eight hundred twenty-four million, three hundred three thousand, two hundred forty-four".