30344042320 has 80 divisors (see below), whose sum is σ = 71277469200. Its totient is φ = 12012982272.

The previous prime is 30344042317. The next prime is 30344042371. The reversal of 30344042320 is 2324044303.

It can be written as a sum of positive squares in 8 ways, for example, as 8156736 + 30335885584 = 2856^2 + 174172^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3821074 + ... + 3829006.

It is an arithmetic number, because the mean of its divisors is an integer number (890968365).

Almost surely, 2^30344042320 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 30344042320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35638734600).

30344042320 is an abundant number, since it is smaller than the sum of its proper divisors (40933426880).

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

30344042320 is a wasteful number, since it uses less digits than its factorization.

30344042320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8432 (or 8426 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 30344042320 its reverse (2324044303), we get a palindrome (32668086623).

The spelling of 30344042320 in words is "thirty billion, three hundred forty-four million, forty-two thousand, three hundred twenty".