8040440484040 has 32 divisors (see below), whose sum is σ = 18091404999360. Its totient is φ = 3216102609600.

The previous prime is 8040440484029. The next prime is 8040440484059. The reversal of 8040440484040 is 404840440408.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 8040440483984 and 8040440484002.

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, 512196 + ... + 4042675.

It is an arithmetic number, because the mean of its divisors is an integer number (565356406230).

Almost surely, 2^{8040440484040} is an apocalyptic number.

It is an amenable number.

8040440484040 is an abundant number, since it is smaller than the sum of its proper divisors (10050964515320).

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

8040440484040 is a wasteful number, since it uses less digits than its factorization.

8040440484040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4599013 (or 4599009 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 40.

The spelling of 8040440484040 in words is "eight trillion, forty billion, four hundred forty million, four hundred eighty-four thousand, forty".