30800751768 has 128 divisors (see below), whose sum is σ = 89510400000. Its totient is φ = 9803255040.

The previous prime is 30800751763. The next prime is 30800751803. The reversal of 30800751768 is 86715700803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30800751763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379233 + ... + 453231.

It is an arithmetic number, because the mean of its divisors is an integer number (699300000).

Almost surely, 2^30800751768 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 30800751768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44755200000).

30800751768 is an abundant number, since it is smaller than the sum of its proper divisors (58709648232).

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

30800751768 is a wasteful number, since it uses less digits than its factorization.

30800751768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74102 (or 74092 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 30800751768 in words is "thirty billion, eight hundred million, seven hundred fifty-one thousand, seven hundred sixty-eight".