30945770548 has 96 divisors (see below), whose sum is σ = 71886866688. Its totient is φ = 11284531200.

The previous prime is 30945770507. The next prime is 30945770551. The reversal of 30945770548 is 84507754903.

It is a junction number, because it is equal to n+sod(n) for n = 30945770495 and 30945770504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 931390 + ... + 964042.

It is an arithmetic number, because the mean of its divisors is an integer number (748821528).

Almost surely, 2^30945770548 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30945770548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35943433344).

30945770548 is an abundant number, since it is smaller than the sum of its proper divisors (40941096140).

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

30945770548 is a wasteful number, since it uses less digits than its factorization.

30945770548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32873 (or 32871 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 30945770548 in words is "thirty billion, nine hundred forty-five million, seven hundred seventy thousand, five hundred forty-eight".