832805040 has 160 divisors (see below), whose sum is σ = 2639831040. Its totient is φ = 217147392.

The previous prime is 832805033. The next prime is 832805081. The reversal of 832805040 is 40508238.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 832804989 and 832805007.

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 31 ways as a sum of consecutive naturals, for example, 2712567 + ... + 2712873.

It is an arithmetic number, because the mean of its divisors is an integer number (16498944).

Almost surely, 2^832805040 is an apocalyptic number.

832805040 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 832805040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1319915520).

832805040 is an abundant number, since it is smaller than the sum of its proper divisors (1807026000).

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

832805040 is a wasteful number, since it uses less digits than its factorization.

832805040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 832805040 is about 28858.3616998609. The cubic root of 832805040 is about 940.8371296201.

The spelling of 832805040 in words is "eight hundred thirty-two million, eight hundred five thousand, forty".