30421352000 has 168 divisors, whose sum is σ = 81583161192. Its totient is φ = 11232000000.

The previous prime is 30421351963. The next prime is 30421352111. The reversal of 30421352000 is 25312403.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 21618409024 + 8802942976 = 147032^2 + 93824^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1340750 + ... + 1363250.

Almost surely, 2^30421352000 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 30421352000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40791580596).

30421352000 is an abundant number, since it is smaller than the sum of its proper divisors (51161809192).

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

30421352000 is a wasteful number, since it uses less digits than its factorization.

30421352000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22554 (or 22521 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 30421352000 its reverse (25312403), we get a palindrome (30446664403).

The spelling of 30421352000 in words is "thirty billion, four hundred twenty-one million, three hundred fifty-two thousand".