30405144542030 has 32 divisors (see below), whose sum is σ = 59596290583200. Its totient is φ = 11124640904832.

The previous prime is 30405144542027. The next prime is 30405144542041. The reversal of 30405144542030 is 3024544150403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2759082017 + ... + 2759093036.

It is an arithmetic number, because the mean of its divisors is an integer number (1862384080725).

Almost surely, 2^{30405144542030} is an apocalyptic number.

30405144542030 is a deficient number, since it is larger than the sum of its proper divisors (29191146041170).

30405144542030 is a wasteful number, since it uses less digits than its factorization.

30405144542030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5518175108.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 30405144542030 its reverse (3024544150403), we get a palindrome (33429688692433).

The spelling of 30405144542030 in words is "thirty trillion, four hundred five billion, one hundred forty-four million, five hundred forty-two thousand, thirty".