30638516180 has 24 divisors (see below), whose sum is σ = 64347279360. Its totient is φ = 12254188320.

The previous prime is 30638516171. The next prime is 30638516243. The reversal of 30638516180 is 8161583603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145901 + ... + 287339.

It is an arithmetic number, because the mean of its divisors is an integer number (2681136640).

Almost surely, 2^30638516180 is an apocalyptic number.

It is an amenable number.

30638516180 is an abundant number, since it is smaller than the sum of its proper divisors (33708763180).

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

30638516180 is a wasteful number, since it uses less digits than its factorization.

30638516180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152279 (or 152277 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 30638516180 in words is "thirty billion, six hundred thirty-eight million, five hundred sixteen thousand, one hundred eighty".