40040240404 has 12 divisors (see below), whose sum is σ = 70155154944. Its totient is φ = 19995910424.

The previous prime is 40040240399. The next prime is 40040240419. The reversal of 40040240404 is 40404204004.

It is a super-2 number, since 2×40040240404² (a number of 22 digits) contains 22 as substring.

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, 6048724 + ... + 6055339.

It is an arithmetic number, because the mean of its divisors is an integer number (5846262912).

Almost surely, 2^40040240404 is an apocalyptic number.

It is an amenable number.

40040240404 is a deficient number, since it is larger than the sum of its proper divisors (30114914540).

40040240404 is a wasteful number, since it uses less digits than its factorization.

40040240404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12104894 (or 12104892 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 40040240404 its reverse (40404204004), we get a palindrome (80444444408).

The spelling of 40040240404 in words is "forty billion, forty million, two hundred forty thousand, four hundred four".