30432130444 has 48 divisors (see below), whose sum is σ = 58978775520. Its totient is φ = 13683479040.

The previous prime is 30432130433. The next prime is 30432130447. The reversal of 30432130444 is 44403123403.

It is a super-2 number, since 2×30432130444² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30432130447) by changing a digit.

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, 16687 + ... + 247270.

It is an arithmetic number, because the mean of its divisors is an integer number (1228724490).

Almost surely, 2^30432130444 is an apocalyptic number.

It is an amenable number.

30432130444 is a deficient number, since it is larger than the sum of its proper divisors (28546645076).

30432130444 is a wasteful number, since it uses less digits than its factorization.

30432130444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264058 (or 264056 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 30432130444 its reverse (44403123403), we get a palindrome (74835253847).

The spelling of 30432130444 in words is "thirty billion, four hundred thirty-two million, one hundred thirty thousand, four hundred forty-four".