30320726016 has 416 divisors, whose sum is σ = 97228873728. Its totient is φ = 8222146560.

The previous prime is 30320726011. The next prime is 30320726021. The reversal of 30320726016 is 61062702303.

It is an interprime number because it is at equal distance from previous prime (30320726011) and next prime (30320726021).

It is a super-2 number, since 2×30320726016² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30320726011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 221319100 + ... + 221319236.

Almost surely, 2^30320726016 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 30320726016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48614436864).

30320726016 is an abundant number, since it is smaller than the sum of its proper divisors (66908147712).

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

30320726016 is a wasteful number, since it uses less digits than its factorization.

30320726016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The spelling of 30320726016 in words is "thirty billion, three hundred twenty million, seven hundred twenty-six thousand, sixteen".