30470545788 has 24 divisors (see below), whose sum is σ = 71118117840. Its totient is φ = 10153966080.

The previous prime is 30470545783. The next prime is 30470545789. The reversal of 30470545788 is 88754507403.

It is a self number, because there is not a number n which added to its sum of digits gives 30470545788.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30470545783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316053 + ... + 401036.

It is an arithmetic number, because the mean of its divisors is an integer number (2963254910).

Almost surely, 2^30470545788 is an apocalyptic number.

It is an amenable number.

30470545788 is an abundant number, since it is smaller than the sum of its proper divisors (40647572052).

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

30470545788 is a wasteful number, since it uses less digits than its factorization.

30470545788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720637 (or 720635 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 51.

The spelling of 30470545788 in words is "thirty billion, four hundred seventy million, five hundred forty-five thousand, seven hundred eighty-eight".