30655970889180 has 384 divisors, whose sum is σ = 107032506900480. Its totient is φ = 6383212093440.

The previous prime is 30655970889161. The next prime is 30655970889277. The reversal of 30655970889180 is 8198807955603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 990772510 + ... + 990803450.

It is an arithmetic number, because the mean of its divisors is an integer number (278730486720).

Almost surely, 2^{30655970889180} is an apocalyptic number.

30655970889180 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30655970889180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53516253450240).

30655970889180 is an abundant number, since it is smaller than the sum of its proper divisors (76376536011300).

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

30655970889180 is a wasteful number, since it uses less digits than its factorization.

30655970889180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33349 (or 33347 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 69.

The spelling of 30655970889180 in words is "thirty trillion, six hundred fifty-five billion, nine hundred seventy million, eight hundred eighty-nine thousand, one hundred eighty".