21675714307200 has 1152 divisors, whose sum is σ = 84571287091200. Its totient is φ = 5466814156800.

The previous prime is 21675714307189. The next prime is 21675714307217. The reversal of 21675714307200 is 270341757612.

21675714307200 is a `hidden beast` number, since 2 + 1 + 6 + 7 + 5 + 7 + 1 + 430 + 7 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 143 ways as a sum of consecutive naturals, for example, 15232405689 + ... + 15232407111.

It is an arithmetic number, because the mean of its divisors is an integer number (73412575600).

Almost surely, 2^{21675714307200} is an apocalyptic number.

21675714307200 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 21675714307200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42285643545600).

21675714307200 is an abundant number, since it is smaller than the sum of its proper divisors (62895572784000).

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

21675714307200 is a wasteful number, since it uses less digits than its factorization.

21675714307200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512 (or 2483 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 21675714307200 in words is "twenty-one trillion, six hundred seventy-five billion, seven hundred fourteen million, three hundred seven thousand, two hundred".