21843876000 has 384 divisors, whose sum is σ = 73620368640. Its totient is φ = 5660160000.

The previous prime is 21843875941. The next prime is 21843876017. The reversal of 21843876000 is 67834812.

It is a self number, because there is not a number n which added to its sum of digits gives 21843876000.

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 63 ways as a sum of consecutive naturals, for example, 81203866 + ... + 81204134.

It is an arithmetic number, because the mean of its divisors is an integer number (191719710).

Almost surely, 2^21843876000 is an apocalyptic number.

21843876000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21843876000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36810184320).

21843876000 is an abundant number, since it is smaller than the sum of its proper divisors (51776492640).

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

21843876000 is a wasteful number, since it uses less digits than its factorization.

21843876000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 21843876000 in words is "twenty-one billion, eight hundred forty-three million, eight hundred seventy-six thousand".