8438242428348 has 12 divisors (see below), whose sum is σ = 19689232332840. Its totient is φ = 2812747476112.

The previous prime is 8438242428311. The next prime is 8438242428349.

8438242428348 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 8438242428291 and 8438242428300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8438242428349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351593434503 + ... + 351593434526.

It is an arithmetic number, because the mean of its divisors is an integer number (1640769361070).

Almost surely, 2^{8438242428348} is an apocalyptic number.

It is an amenable number.

8438242428348 is an abundant number, since it is smaller than the sum of its proper divisors (11250989904492).

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

8438242428348 is a wasteful number, since it uses less digits than its factorization.

8438242428348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703186869036 (or 703186869034 counting only the distinct ones).

The product of its digits is 75497472, while the sum is 60.

The spelling of 8438242428348 in words is "eight trillion, four hundred thirty-eight billion, two hundred forty-two million, four hundred twenty-eight thousand, three hundred forty-eight".