8447522240842 has 16 divisors (see below), whose sum is σ = 12730178668032. Its totient is φ = 4204135522800.

The previous prime is 8447522240809. The next prime is 8447522240867. The reversal of 8447522240842 is 2480422257448.

It is a self number, because there is not a number n which added to its sum of digits gives 8447522240842.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203708 + ... + 4282984.

It is an arithmetic number, because the mean of its divisors is an integer number (795636166752).

Almost surely, 2^{8447522240842} is an apocalyptic number.

8447522240842 is a deficient number, since it is larger than the sum of its proper divisors (4282656427190).

8447522240842 is a wasteful number, since it uses less digits than its factorization.

8447522240842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085653.

The product of its (nonzero) digits is 9175040, while the sum is 52.

The spelling of 8447522240842 in words is "eight trillion, four hundred forty-seven billion, five hundred twenty-two million, two hundred forty thousand, eight hundred forty-two".