845240885728 has 12 divisors (see below), whose sum is σ = 1664067993840. Its totient is φ = 422620442848.

The previous prime is 845240885647. The next prime is 845240885779. The reversal of 845240885728 is 827588042548.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13206888808 + ... + 13206888871.

It is an arithmetic number, because the mean of its divisors is an integer number (138672332820).

Almost surely, 2^845240885728 is an apocalyptic number.

It is an amenable number.

845240885728 is a deficient number, since it is larger than the sum of its proper divisors (818827108112).

845240885728 is a wasteful number, since it uses less digits than its factorization.

845240885728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26413777689 (or 26413777681 counting only the distinct ones).

The product of its (nonzero) digits is 45875200, while the sum is 61.

The spelling of 845240885728 in words is "eight hundred forty-five billion, two hundred forty million, eight hundred eighty-five thousand, seven hundred twenty-eight".