30945878416 has 20 divisors (see below), whose sum is σ = 59994541552. Its totient is φ = 15463416096.

The previous prime is 30945878401. The next prime is 30945878437. The reversal of 30945878416 is 61487854903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568350 + ... + 620413.

Almost surely, 2^30945878416 is an apocalyptic number.

It is an amenable number.

30945878416 is a deficient number, since it is larger than the sum of its proper divisors (29048663136).

30945878416 is a wasteful number, since it uses less digits than its factorization.

30945878416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190398 (or 1190392 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 30945878416 in words is "thirty billion, nine hundred forty-five million, eight hundred seventy-eight thousand, four hundred sixteen".