30644164608 has 48 divisors (see below), whose sum is σ = 81697838040. Its totient is φ = 10214719488.

The previous prime is 30644164601. The next prime is 30644164643. The reversal of 30644164608 is 80646144603.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 30644164608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30644164601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2487685 + ... + 2499972.

Almost surely, 2^30644164608 is an apocalyptic number.

It is an amenable number.

30644164608 is an abundant number, since it is smaller than the sum of its proper divisors (51053673432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30644164608 is an equidigital number, since it uses as much as digits as its factorization.

30644164608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4987682 (or 4987662 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 30644164608 in words is "thirty billion, six hundred forty-four million, one hundred sixty-four thousand, six hundred eight".