30040030 has 16 divisors (see below), whose sum is σ = 54134640. Its totient is φ = 12002112.

The previous prime is 30040013. The next prime is 30040057. The reversal of 30040030 is 3004003.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 30039989 and 30040016.

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, 15157 + ... + 17023.

It is an arithmetic number, because the mean of its divisors is an integer number (3383415).

Almost surely, 2^30040030 is an apocalyptic number.

30040030 is a deficient number, since it is larger than the sum of its proper divisors (24094610).

30040030 is a wasteful number, since it uses less digits than its factorization.

30040030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3483.

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 30040030 is about 5480.8785792061. The cubic root of 30040030 is about 310.8613919683.

30040030 divided by its sum of digits (10) gives a palindrome (3004003).

Adding to 30040030 its reverse (3004003), we get a palindrome (33044033).

The spelling of 30040030 in words is "thirty million, forty thousand, thirty", and thus it is an eban number.