32451021200 has 240 divisors, whose sum is σ = 90242974080. Its totient is φ = 11106754560.

The previous prime is 32451021157. The next prime is 32451021221. The reversal of 32451021200 is 212015423.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 47 ways as a sum of consecutive naturals, for example, 5920061 + ... + 5925539.

It is an arithmetic number, because the mean of its divisors is an integer number (376012392).

Almost surely, 2^32451021200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32451021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45121487040).

32451021200 is an abundant number, since it is smaller than the sum of its proper divisors (57791952880).

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

32451021200 is a wasteful number, since it uses less digits than its factorization.

32451021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5594 (or 5583 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 32451021200 its reverse (212015423), we get a palindrome (32663036623).

The spelling of 32451021200 in words is "thirty-two billion, four hundred fifty-one million, twenty-one thousand, two hundred".