40404640404 has 24 divisors (see below), whose sum is σ = 94578709120. Its totient is φ = 13425182784.

The previous prime is 40404640403. The next prime is 40404640411.

40404640404 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40404640403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5374924 + ... + 5382435.

Almost surely, 2^40404640404 is an apocalyptic number.

It is an amenable number.

40404640404 is an abundant number, since it is smaller than the sum of its proper divisors (54174068716).

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

40404640404 is a wasteful number, since it uses less digits than its factorization.

40404640404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10757679 (or 10757677 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

The spelling of 40404640404 in words is "forty billion, four hundred four million, six hundred forty thousand, four hundred four".