832644068256 has 432 divisors, whose sum is σ = 3203283388032. Its totient is φ = 199634181120.

The previous prime is 832644068237. The next prime is 832644068309. The reversal of 832644068256 is 652860446238.

It is a happy number.

832644068256 is a `hidden beast` number, since 8 + 326 + 4 + 4 + 0 + 68 + 256 = 666.

It is a super-2 number, since 2×832644068256² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3039885 + ... + 3302451.

Almost surely, 2^832644068256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 832644068256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1601641694016).

832644068256 is an abundant number, since it is smaller than the sum of its proper divisors (2370639319776).

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

832644068256 is a wasteful number, since it uses less digits than its factorization.

832644068256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262625 (or 262603 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 54.

The spelling of 832644068256 in words is "eight hundred thirty-two billion, six hundred forty-four million, sixty-eight thousand, two hundred fifty-six".