30165430772 has 48 divisors (see below), whose sum is σ = 57571153920. Its totient is φ = 13792934400.

The previous prime is 30165430759. The next prime is 30165430777. The reversal of 30165430772 is 27703456103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30165430777) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 79772 + ... + 258252.

It is an arithmetic number, because the mean of its divisors is an integer number (1199399040).

Almost surely, 2^30165430772 is an apocalyptic number.

It is an amenable number.

30165430772 is a deficient number, since it is larger than the sum of its proper divisors (27405723148).

30165430772 is a wasteful number, since it uses less digits than its factorization.

30165430772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178592 (or 178590 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 38.

Adding to 30165430772 its reverse (27703456103), we get a palindrome (57868886875).

The spelling of 30165430772 in words is "thirty billion, one hundred sixty-five million, four hundred thirty thousand, seven hundred seventy-two".