855590228512 has 48 divisors (see below), whose sum is σ = 1745371295640. Its totient is φ = 412369477632.

The previous prime is 855590228501. The next prime is 855590228533. The reversal of 855590228512 is 215822095558.

It can be written as a sum of positive squares in 4 ways, for example, as 239672910096 + 615917318416 = 489564^2 + 784804^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 855590228512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183153 + ... + 1320880.

Almost surely, 2^855590228512 is an apocalyptic number.

It is an amenable number.

855590228512 is an abundant number, since it is smaller than the sum of its proper divisors (889781067128).

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

855590228512 is a wasteful number, since it uses less digits than its factorization.

855590228512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504685 (or 1504677 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 52.

The spelling of 855590228512 in words is "eight hundred fifty-five billion, five hundred ninety million, two hundred twenty-eight thousand, five hundred twelve".