4521321283200 has 384 divisors, whose sum is σ = 15088659264000. Its totient is φ = 1189805568000.

The previous prime is 4521321283169. The next prime is 4521321283201. The reversal of 4521321283200 is 23821231254.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×4521321283200² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4521321283201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 837434101 + ... + 837439499.

It is an arithmetic number, because the mean of its divisors is an integer number (39293383500).

Almost surely, 2^{4521321283200} is an apocalyptic number.

4521321283200 is a gapful number since it is divisible by the number (40) 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 4521321283200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7544329632000).

4521321283200 is an abundant number, since it is smaller than the sum of its proper divisors (10567337980800).

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

4521321283200 is a wasteful number, since it uses less digits than its factorization.

4521321283200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6560 (or 6543 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 4521321283200 in words is "four trillion, five hundred twenty-one billion, three hundred twenty-one million, two hundred eighty-three thousand, two hundred".