30912068880 has 960 divisors, whose sum is σ = 136179283968. Its totient is φ = 6330286080.

The previous prime is 30912068879. The next prime is 30912068911. The reversal of 30912068880 is 8886021903.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 160166064 + ... + 160166256.

Almost surely, 2^30912068880 is an apocalyptic number.

30912068880 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 30912068880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68089641984).

30912068880 is an abundant number, since it is smaller than the sum of its proper divisors (105267215088).

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

30912068880 is a wasteful number, since it uses less digits than its factorization.

30912068880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 30912068880 in words is "thirty billion, nine hundred twelve million, sixty-eight thousand, eight hundred eighty".