30078334656 has 168 divisors, whose sum is σ = 88155078960. Its totient is φ = 9802653696.

The previous prime is 30078334621. The next prime is 30078334667. The reversal of 30078334656 is 65643387003.

30078334656 is a `hidden beast` number, since 300 + 7 + 8 + 334 + 6 + 5 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5284260 + ... + 5289948.

Almost surely, 2^30078334656 is an apocalyptic number.

30078334656 is a gapful number since it is divisible by the number (36) 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 30078334656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44077539480).

30078334656 is an abundant number, since it is smaller than the sum of its proper divisors (58076744304).

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

30078334656 is a wasteful number, since it uses less digits than its factorization.

30078334656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5911 (or 5898 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 30078334656 in words is "thirty billion, seventy-eight million, three hundred thirty-four thousand, six hundred fifty-six".