21322450646300 has 72 divisors (see below), whose sum is σ = 47682438399456. Its totient is φ = 8270144444160.

The previous prime is 21322450646281. The next prime is 21322450646401. The reversal of 21322450646300 is 364605422312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8750072 + ... + 10918271.

Almost surely, 2^{21322450646300} is an apocalyptic number.

21322450646300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21322450646300 is an abundant number, since it is smaller than the sum of its proper divisors (26359987753156).

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

21322450646300 is a wasteful number, since it uses less digits than its factorization.

21322450646300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19668687 (or 19668680 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 21322450646300 in words is "twenty-one trillion, three hundred twenty-two billion, four hundred fifty million, six hundred forty-six thousand, three hundred".