21324445010 has 32 divisors (see below), whose sum is σ = 43317374400. Its totient is φ = 7486951360.

The previous prime is 21324445003. The next prime is 21324445049. The reversal of 21324445010 is 1054442312.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3339200 + ... + 3345579.

It is an arithmetic number, because the mean of its divisors is an integer number (1353667950).

Almost surely, 2^21324445010 is an apocalyptic number.

21324445010 is an abundant number, since it is smaller than the sum of its proper divisors (21992929390).

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

21324445010 is a wasteful number, since it uses less digits than its factorization.

21324445010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6684826.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 21324445010 its reverse (1054442312), we get a palindrome (22378887322).

The spelling of 21324445010 in words is "twenty-one billion, three hundred twenty-four million, four hundred forty-five thousand, ten".