8402040822 has 64 divisors (see below), whose sum is σ = 19797073920. Its totient is φ = 2327490336.

The previous prime is 8402040821. The next prime is 8402040827. The reversal of 8402040822 is 2280402048.

It is a self number, because there is not a number n which added to its sum of digits gives 8402040822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8402040821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191329 + ... + 231107.

It is an arithmetic number, because the mean of its divisors is an integer number (309329280).

Almost surely, 2^8402040822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8402040822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9898536960).

8402040822 is an abundant number, since it is smaller than the sum of its proper divisors (11395033098).

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

8402040822 is a wasteful number, since it uses less digits than its factorization.

8402040822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39945.

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 8402040822 is about 91662.6468197379. The cubic root of 8402040822 is about 2032.9573260172.

The spelling of 8402040822 in words is "eight billion, four hundred two million, forty thousand, eight hundred twenty-two".