832561280 has 64 divisors (see below), whose sum is σ = 1999036800. Its totient is φ = 331570176.

The previous prime is 832561271. The next prime is 832561333. The reversal of 832561280 is 82165238.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 832561280.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150239 + ... + 155681.

It is an arithmetic number, because the mean of its divisors is an integer number (31234950).

Almost surely, 2^832561280 is an apocalyptic number.

832561280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 832561280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (999518400).

832561280 is an abundant number, since it is smaller than the sum of its proper divisors (1166475520).

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

832561280 is a wasteful number, since it uses less digits than its factorization.

832561280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5701 (or 5689 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 832561280 is about 28854.1380047992. The cubic root of 832561280 is about 940.7453270865.

The spelling of 832561280 in words is "eight hundred thirty-two million, five hundred sixty-one thousand, two hundred eighty".