30321450400 has 36 divisors (see below), whose sum is σ = 74022242742. Its totient is φ = 12128579840.

The previous prime is 30321450389. The next prime is 30321450431. The reversal of 30321450400 is 405412303.

It can be written as a sum of positive squares in 3 ways, for example, as 19444629136 + 10876821264 = 139444^2 + 104292^2 .

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 5 ways as a sum of consecutive naturals, for example, 18950107 + ... + 18951706.

Almost surely, 2^30321450400 is an apocalyptic number.

It is an amenable number.

30321450400 is an abundant number, since it is smaller than the sum of its proper divisors (43700792342).

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

30321450400 is a wasteful number, since it uses less digits than its factorization.

30321450400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37901833 (or 37901820 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 30321450400 its reverse (405412303), we get a palindrome (30726862703).

The spelling of 30321450400 in words is "thirty billion, three hundred twenty-one million, four hundred fifty thousand, four hundred".