30011918478 has 16 divisors (see below), whose sum is σ = 60070418640. Its totient is φ = 9996209216.

The previous prime is 30011918459. The next prime is 30011918557. The reversal of 30011918478 is 87481911003.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1932525 + ... + 1947992.

It is an arithmetic number, because the mean of its divisors is an integer number (3754401165).

Almost surely, 2^30011918478 is an apocalyptic number.

30011918478 is an abundant number, since it is smaller than the sum of its proper divisors (30058500162).

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

30011918478 is a wasteful number, since it uses less digits than its factorization.

30011918478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3881811.

The product of its (nonzero) digits is 48384, while the sum is 42.

The spelling of 30011918478 in words is "thirty billion, eleven million, nine hundred eighteen thousand, four hundred seventy-eight".