8342156544 has 216 divisors, whose sum is σ = 23382051840. Its totient is φ = 2639831040.

The previous prime is 8342156531. The next prime is 8342156561. The reversal of 8342156544 is 4456512438.

It is a junction number, because it is equal to n+sod(n) for n = 8342156496 and 8342156505.

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, 65686209 + ... + 65686335.

It is an arithmetic number, because the mean of its divisors is an integer number (108250240).

Almost surely, 2^8342156544 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 8342156544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11691025920).

8342156544 is an abundant number, since it is smaller than the sum of its proper divisors (15039895296).

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

8342156544 is a wasteful number, since it uses less digits than its factorization.

8342156544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 252 counting only the distinct ones).

The product of its digits is 460800, while the sum is 42.

The square root of 8342156544 is about 91335.4068475090. The cubic root of 8342156544 is about 2028.1159401366.

The spelling of 8342156544 in words is "eight billion, three hundred forty-two million, one hundred fifty-six thousand, five hundred forty-four".