30472878816456 has 16 divisors (see below), whose sum is σ = 76182197041200. Its totient is φ = 10157626272144.

The previous prime is 30472878816433. The next prime is 30472878816481. The reversal of 30472878816456 is 65461887827403.

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, 634851641986 + ... + 634851642033.

It is an arithmetic number, because the mean of its divisors is an integer number (4761387315075).

Almost surely, 2^{30472878816456} is an apocalyptic number.

It is an amenable number.

30472878816456 is an abundant number, since it is smaller than the sum of its proper divisors (45709318224744).

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

30472878816456 is a wasteful number, since it uses less digits than its factorization.

30472878816456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269703284028 (or 1269703284024 counting only the distinct ones).

The product of its (nonzero) digits is 433520640, while the sum is 69.

The spelling of 30472878816456 in words is "thirty trillion, four hundred seventy-two billion, eight hundred seventy-eight million, eight hundred sixteen thousand, four hundred fifty-six".