842638846908 has 24 divisors (see below), whose sum is σ = 1966175887312. Its totient is φ = 280876961664.

The previous prime is 842638846873. The next prime is 842638846913. The reversal of 842638846908 is 809648836248.

It is a super-2 number, since 2×842638846908² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 1320216 + ... + 1851552.

Almost surely, 2^842638846908 is an apocalyptic number.

It is an amenable number.

842638846908 is an abundant number, since it is smaller than the sum of its proper divisors (1123537040404).

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

842638846908 is a wasteful number, since it uses less digits than its factorization.

842638846908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663501 (or 663499 counting only the distinct ones).

The product of its (nonzero) digits is 127401984, while the sum is 66.

The spelling of 842638846908 in words is "eight hundred forty-two billion, six hundred thirty-eight million, eight hundred forty-six thousand, nine hundred eight".