30321344240 has 160 divisors (see below), whose sum is σ = 78668197056. Its totient is φ = 10776084480.

The previous prime is 30321344239. The next prime is 30321344269. The reversal of 30321344240 is 4244312303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7257032 + ... + 7261208.

Almost surely, 2^30321344240 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 30321344240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39334098528).

30321344240 is an abundant number, since it is smaller than the sum of its proper divisors (48346852816).

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

30321344240 is a wasteful number, since it uses less digits than its factorization.

30321344240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4387 (or 4381 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 30321344240 its reverse (4244312303), we get a palindrome (34565656543).

The spelling of 30321344240 in words is "thirty billion, three hundred twenty-one million, three hundred forty-four thousand, two hundred forty".