30305370180872 has 16 divisors (see below), whose sum is σ = 56824760101200. Its totient is φ = 15152100820560.

The previous prime is 30305370180859. The next prime is 30305370180913. The reversal of 30305370180872 is 27808107350303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72813254 + ... + 73228277.

It is an arithmetic number, because the mean of its divisors is an integer number (3551547506325).

Almost surely, 2^{30305370180872} is an apocalyptic number.

It is an amenable number.

30305370180872 is a deficient number, since it is larger than the sum of its proper divisors (26519389920328).

30305370180872 is a wasteful number, since it uses less digits than its factorization.

30305370180872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146067476 (or 146067472 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 30305370180872 in words is "thirty trillion, three hundred five billion, three hundred seventy million, one hundred eighty thousand, eight hundred seventy-two".