21424304140300 has 72 divisors (see below), whose sum is σ = 46586306896640. Its totient is φ = 8552117851200.

The previous prime is 21424304140249. The next prime is 21424304140319. The reversal of 21424304140300 is 304140342412.

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, 142976017 + ... + 143125783.

Almost surely, 2^{21424304140300} is an apocalyptic number.

21424304140300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21424304140300 is an abundant number, since it is smaller than the sum of its proper divisors (25162002756340).

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

21424304140300 is a wasteful number, since it uses less digits than its factorization.

21424304140300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152711 (or 152704 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 21424304140300 its reverse (304140342412), we get a palindrome (21728444482712).

The spelling of 21424304140300 in words is "twenty-one trillion, four hundred twenty-four billion, three hundred four million, one hundred forty thousand, three hundred".