845428236256 has 24 divisors (see below), whose sum is σ = 1668031765344. Its totient is φ = 421801121280.

The previous prime is 845428236227. The next prime is 845428236347. The reversal of 845428236256 is 652632824548.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 845428236197 and 845428236206.

It is a congruent number.

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, 28516105 + ... + 28545736.

It is an arithmetic number, because the mean of its divisors is an integer number (69501323556).

Almost surely, 2^845428236256 is an apocalyptic number.

It is an amenable number.

845428236256 is a deficient number, since it is larger than the sum of its proper divisors (822603529088).

845428236256 is a wasteful number, since it uses less digits than its factorization.

845428236256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57062314 (or 57062306 counting only the distinct ones).

The product of its digits is 22118400, while the sum is 55.

The spelling of 845428236256 in words is "eight hundred forty-five billion, four hundred twenty-eight million, two hundred thirty-six thousand, two hundred fifty-six".