842440108 has 12 divisors (see below), whose sum is σ = 1482793200. Its totient is φ = 418784912.

The previous prime is 842440057. The next prime is 842440127. The reversal of 842440108 is 801044248.

It is a self number, because there is not a number n which added to its sum of digits gives 842440108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608008 + ... + 609391.

It is an arithmetic number, because the mean of its divisors is an integer number (123566100).

Almost surely, 2^842440108 is an apocalyptic number.

It is an amenable number.

842440108 is a deficient number, since it is larger than the sum of its proper divisors (640353092).

842440108 is a wasteful number, since it uses less digits than its factorization.

842440108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217576 (or 1217574 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 31.

The square root of 842440108 is about 29024.8188280306. The cubic root of 842440108 is about 944.4515384483.

The spelling of 842440108 in words is "eight hundred forty-two million, four hundred forty thousand, one hundred eight".