30005440155 has 12 divisors (see below), whose sum is σ = 52009429680. Its totient is φ = 16002901392.

The previous prime is 30005440139. The next prime is 30005440169. The reversal of 30005440155 is 55104450003.

It is not a de Polignac number, because 30005440155 - 2⁴ = 30005440139 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 333393735 + ... + 333393824.

It is an arithmetic number, because the mean of its divisors is an integer number (4334119140).

Almost surely, 2^30005440155 is an apocalyptic number.

30005440155 is a deficient number, since it is larger than the sum of its proper divisors (22003989525).

30005440155 is a wasteful number, since it uses less digits than its factorization.

30005440155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666787570 (or 666787567 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 30005440155 its reverse (55104450003), we get a palindrome (85109890158).

The spelling of 30005440155 in words is "thirty billion, five million, four hundred forty thousand, one hundred fifty-five".