30669193880 has 192 divisors, whose sum is σ = 77297794560. Its totient is φ = 10940127744.

The previous prime is 30669193811. The next prime is 30669193889. The reversal of 30669193880 is 8839196603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30669193889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26370179 + ... + 26371341.

It is an arithmetic number, because the mean of its divisors is an integer number (402592680).

Almost surely, 2^30669193880 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 30669193880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38648897280).

30669193880 is an abundant number, since it is smaller than the sum of its proper divisors (46628600680).

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

30669193880 is a wasteful number, since it uses less digits than its factorization.

30669193880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 53.

The spelling of 30669193880 in words is "thirty billion, six hundred sixty-nine million, one hundred ninety-three thousand, eight hundred eighty".