30421013040 has 240 divisors, whose sum is σ = 111618168480. Its totient is φ = 7363768320.

The previous prime is 30421013003. The next prime is 30421013047. The reversal of 30421013040 is 4031012403.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (30421013047) by changing a digit.

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, 6119676 + ... + 6124644.

It is an arithmetic number, because the mean of its divisors is an integer number (465075702).

Almost surely, 2^30421013040 is an apocalyptic number.

30421013040 is a gapful number since it is divisible by the number (30) 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 30421013040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55809084240).

30421013040 is an abundant number, since it is smaller than the sum of its proper divisors (81197155440).

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

30421013040 is a wasteful number, since it uses less digits than its factorization.

30421013040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5772 (or 5763 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30421013040 its reverse (4031012403), we get a palindrome (34452025443).

The spelling of 30421013040 in words is "thirty billion, four hundred twenty-one million, thirteen thousand, forty".