180030004 has 48 divisors (see below), whose sum is σ = 399490560. Its totient is φ = 68945760.

The previous prime is 180029977. The next prime is 180030043. The reversal of 180030004 is 400030081.

It is a self number, because there is not a number n which added to its sum of digits gives 180030004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13219 + ... + 23125.

It is an arithmetic number, because the mean of its divisors is an integer number (8322720).

Almost surely, 2^180030004 is an apocalyptic number.

180030004 is a gapful number since it is divisible by the number (14) 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 180030004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199745280).

180030004 is an abundant number, since it is smaller than the sum of its proper divisors (219460556).

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

180030004 is a wasteful number, since it uses less digits than its factorization.

180030004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9988 (or 9986 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 180030004 is about 13417.5260014654. The cubic root of 180030004 is about 564.6529876357.

Adding to 180030004 its reverse (400030081), we get a palindrome (580060085).

The spelling of 180030004 in words is "one hundred eighty million, thirty thousand, four".