30221404044 has 72 divisors (see below), whose sum is σ = 77498245440. Its totient is φ = 9160062912.

The previous prime is 30221404039. The next prime is 30221404061. The reversal of 30221404044 is 44040412203.

It is a happy number.

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, 24667 + ... + 247085.

It is an arithmetic number, because the mean of its divisors is an integer number (1076364520).

Almost surely, 2^30221404044 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 30221404044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38749122720).

30221404044 is an abundant number, since it is smaller than the sum of its proper divisors (47276841396).

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

30221404044 is a wasteful number, since it uses less digits than its factorization.

30221404044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222519 (or 222504 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 30221404044 its reverse (44040412203), we get a palindrome (74261816247).

The spelling of 30221404044 in words is "thirty billion, two hundred twenty-one million, four hundred four thousand, forty-four".