18060000030 has 32 divisors (see below), whose sum is σ = 48160000800. Its totient is φ = 4815999936.

The previous prime is 18059999989. The next prime is 18060000047. The reversal of 18060000030 is 3000006081.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 18059999958 and 18060000012.

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 15 ways as a sum of consecutive naturals, for example, 33444175 + ... + 33444714.

It is an arithmetic number, because the mean of its divisors is an integer number (1505000025).

Almost surely, 2^18060000030 is an apocalyptic number.

18060000030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18060000030 is an abundant number, since it is smaller than the sum of its proper divisors (30100000770).

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

18060000030 is a wasteful number, since it uses less digits than its factorization.

18060000030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66888905 (or 66888899 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The spelling of 18060000030 in words is "eighteen billion, sixty million, thirty", and thus it is an aban number and an uban number.