30347426816 has 88 divisors (see below), whose sum is σ = 70944762240. Its totient is φ = 12703444992.

The previous prime is 30347426803. The next prime is 30347426819. The reversal of 30347426816 is 61862474303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30347426819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258995 + ... + 357453.

It is an arithmetic number, because the mean of its divisors is an integer number (806190480).

Almost surely, 2^30347426816 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 30347426816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35472381120).

30347426816 is an abundant number, since it is smaller than the sum of its proper divisors (40597335424).

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

30347426816 is an equidigital number, since it uses as much as digits as its factorization.

30347426816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98529 (or 98511 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 30347426816 in words is "thirty billion, three hundred forty-seven million, four hundred twenty-six thousand, eight hundred sixteen".