9842409461208 has 128 divisors (see below), whose sum is σ = 26104513705920. Its totient is φ = 3081765519360.

The previous prime is 9842409461207. The next prime is 9842409461219. The reversal of 9842409461208 is 8021649042489.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9842409461207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 721947960 + ... + 721961592.

Almost surely, 2^{9842409461208} 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 9842409461208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13052256852960).

9842409461208 is an abundant number, since it is smaller than the sum of its proper divisors (16262104244712).

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

9842409461208 is a wasteful number, since it uses less digits than its factorization.

9842409461208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16997 (or 16993 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 57.

The spelling of 9842409461208 in words is "nine trillion, eight hundred forty-two billion, four hundred nine million, four hundred sixty-one thousand, two hundred eight".