30180361828 has 24 divisors (see below), whose sum is σ = 54984900600. Its totient is φ = 14477019648.

The previous prime is 30180361823. The next prime is 30180361837. The reversal of 30180361828 is 82816308103.

It can be written as a sum of positive squares in 4 ways, for example, as 9183772224 + 20996589604 = 95832^2 + 144902^2 .

It is not an unprimeable number, because it can be changed into a prime (30180361823) by changing a digit.

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, 810373 + ... + 846796.

It is an arithmetic number, because the mean of its divisors is an integer number (2291037525).

Almost surely, 2^30180361828 is an apocalyptic number.

It is an amenable number.

30180361828 is a deficient number, since it is larger than the sum of its proper divisors (24804538772).

30180361828 is a wasteful number, since it uses less digits than its factorization.

30180361828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657359 (or 1657357 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 30180361828 in words is "thirty billion, one hundred eighty million, three hundred sixty-one thousand, eight hundred twenty-eight".