30489456708 has 36 divisors (see below), whose sum is σ = 77153616540. Its totient is φ = 10152201216.

The previous prime is 30489456707. The next prime is 30489456721. The reversal of 30489456708 is 80765498403.

30489456708 is a `hidden beast` number, since 30 + 48 + 9 + 4 + 567 + 0 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7468070724 + 23021385984 = 86418^2 + 151728^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (30489456707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 422385 + ... + 489272.

It is an arithmetic number, because the mean of its divisors is an integer number (2143156015).

Almost surely, 2^30489456708 is an apocalyptic number.

It is an amenable number.

30489456708 is an abundant number, since it is smaller than the sum of its proper divisors (46664159832).

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

30489456708 is a wasteful number, since it uses less digits than its factorization.

30489456708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912596 (or 912591 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 30489456708 in words is "thirty billion, four hundred eighty-nine million, four hundred fifty-six thousand, seven hundred eight".