30945807080 has 64 divisors (see below), whose sum is σ = 69979669200. Its totient is φ = 12315985920.

The previous prime is 30945807073. The next prime is 30945807089. The reversal of 30945807080 is 8070854903.

It can be written as a sum of positive squares in 8 ways, for example, as 20850782404 + 10095024676 = 144398^2 + 100474^2 .

It is not an unprimeable number, because it can be changed into a prime (30945807089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6885314 + ... + 6889806.

Almost surely, 2^30945807080 is an apocalyptic number.

It is an amenable number.

30945807080 is an abundant number, since it is smaller than the sum of its proper divisors (39033862120).

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

30945807080 is a wasteful number, since it uses less digits than its factorization.

30945807080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5334 (or 5330 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 30945807080 in words is "thirty billion, nine hundred forty-five million, eight hundred seven thousand, eighty".