30718649304 has 320 divisors, whose sum is σ = 108014860800. Its totient is φ = 7952795136.

The previous prime is 30718649293. The next prime is 30718649333. The reversal of 30718649304 is 40394681703.

It is a self number, because there is not a number n which added to its sum of digits gives 30718649304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1974484 + ... + 1989980.

It is an arithmetic number, because the mean of its divisors is an integer number (337546440).

Almost surely, 2^30718649304 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 30718649304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54007430400).

30718649304 is an abundant number, since it is smaller than the sum of its proper divisors (77296211496).

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

30718649304 is a wasteful number, since it uses less digits than its factorization.

30718649304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15564 (or 15551 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 30718649304 in words is "thirty billion, seven hundred eighteen million, six hundred forty-nine thousand, three hundred four".