8040040880840 has 64 divisors (see below), whose sum is σ = 19044487627200. Its totient is φ = 3046386647808.

The previous prime is 8040040880759. The next prime is 8040040880867. The reversal of 8040040880840 is 480880400408.

It is a junction number, because it is equal to n+sod(n) for n = 8040040880791 and 8040040880800.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5743442 + ... + 7004798.

It is an arithmetic number, because the mean of its divisors is an integer number (297570119175).

Almost surely, 2^{8040040880840} is an apocalyptic number.

It is an amenable number.

8040040880840 is an abundant number, since it is smaller than the sum of its proper divisors (11004446746360).

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

8040040880840 is a wasteful number, since it uses less digits than its factorization.

8040040880840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269774 (or 1269770 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 44.

The spelling of 8040040880840 in words is "eight trillion, forty billion, forty million, eight hundred eighty thousand, eight hundred forty".