21850483200 has 960 divisors, whose sum is σ = 91779959040. Its totient is φ = 4485611520.

The previous prime is 21850483181. The next prime is 21850483201. The reversal of 21850483200 is 238405812.

It is a tau number, because it is divible by the number of its divisors (960).

It is not an unprimeable number, because it can be changed into a prime (21850483201) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 590553582 + ... + 590553618.

It is an arithmetic number, because the mean of its divisors is an integer number (95604124).

Almost surely, 2^21850483200 is an apocalyptic number.

21850483200 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 21850483200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45889979520).

21850483200 is an abundant number, since it is smaller than the sum of its proper divisors (69929475840).

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

21850483200 is an equidigital number, since it uses as much as digits as its factorization.

21850483200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 21850483200 in words is "twenty-one billion, eight hundred fifty million, four hundred eighty-three thousand, two hundred".