8422519392 has 144 divisors (see below), whose sum is σ = 28010062080. Its totient is φ = 2350446336.

The previous prime is 8422519319. The next prime is 8422519403. The reversal of 8422519392 is 2939152248.

8422519392 is a `hidden beast` number, since 8 + 4 + 2 + 251 + 9 + 392 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38109 + ... + 135267.

It is an arithmetic number, because the mean of its divisors is an integer number (194514320).

Almost surely, 2^8422519392 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 8422519392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14005031040).

8422519392 is an abundant number, since it is smaller than the sum of its proper divisors (19587542688).

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

8422519392 is a wasteful number, since it uses less digits than its factorization.

8422519392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97225 (or 97214 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 8422519392 is about 91774.2850258176. The cubic root of 8422519392 is about 2034.6076504954.

The spelling of 8422519392 in words is "eight billion, four hundred twenty-two million, five hundred nineteen thousand, three hundred ninety-two".