40840408084 has 36 divisors (see below), whose sum is σ = 83505746016. Its totient is φ = 17425907184.

The previous prime is 40840408067. The next prime is 40840408093. The reversal of 40840408084 is 48080404804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 414472 + ... + 503455.

It is an arithmetic number, because the mean of its divisors is an integer number (2319604056).

Almost surely, 2^40840408084 is an apocalyptic number.

It is an amenable number.

40840408084 is an abundant number, since it is smaller than the sum of its proper divisors (42665337932).

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

40840408084 is a wasteful number, since it uses less digits than its factorization.

40840408084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918172 (or 918163 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The spelling of 40840408084 in words is "forty billion, eight hundred forty million, four hundred eight thousand, eighty-four".