8008404840440 has 16 divisors (see below), whose sum is σ = 18018910891080. Its totient is φ = 3203361936160.

The previous prime is 8008404840439. The next prime is 8008404840461. The reversal of 8008404840440 is 440484048008.

It is a junction number, because it is equal to n+sod(n) for n = 8008404840391 and 8008404840400.

It is a congruent number.

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, 100105060466 + ... + 100105060545.

Almost surely, 2^{8008404840440} is an apocalyptic number.

It is an amenable number.

8008404840440 is an abundant number, since it is smaller than the sum of its proper divisors (10010506050640).

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

8008404840440 is a wasteful number, since it uses less digits than its factorization.

8008404840440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200210121022 (or 200210121018 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 44.

Adding to 8008404840440 its reverse (440484048008), we get a palindrome (8448888888448).

The spelling of 8008404840440 in words is "eight trillion, eight billion, four hundred four million, eight hundred forty thousand, four hundred forty".