8422068240 has 120 divisors (see below), whose sum is σ = 29513914560. Its totient is φ = 2148233472.

The previous prime is 8422068223. The next prime is 8422068247. The reversal of 8422068240 is 428602248.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 8422068195 and 8422068204.

It is not an unprimeable number, because it can be changed into a prime (8422068247) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 237730 + ... + 270849.

It is an arithmetic number, because the mean of its divisors is an integer number (245949288).

Almost surely, 2^8422068240 is an apocalyptic number.

8422068240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8422068240 is an abundant number, since it is smaller than the sum of its proper divisors (21091846320).

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

8422068240 is a wasteful number, since it uses less digits than its factorization.

8422068240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508621 (or 508612 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 8422068240 is about 91771.8270494818. The cubic root of 8422068240 is about 2034.5713219473.

The spelling of 8422068240 in words is "eight billion, four hundred twenty-two million, sixty-eight thousand, two hundred forty".