40040044404 has 24 divisors (see below), whose sum is σ = 93535810368. Its totient is φ = 13331104320.

The previous prime is 40040044403. The next prime is 40040044417. The reversal of 40040044404 is 40444004004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40040044403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1936432 + ... + 1956999.

It is an arithmetic number, because the mean of its divisors is an integer number (3897325432).

Almost surely, 2^40040044404 is an apocalyptic number.

It is an amenable number.

40040044404 is an abundant number, since it is smaller than the sum of its proper divisors (53495765964).

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

40040044404 is a wasteful number, since it uses less digits than its factorization.

40040044404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3894295 (or 3894293 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 40040044404 its reverse (40444004004), we get a palindrome (80484048408).

The spelling of 40040044404 in words is "forty billion, forty million, forty-four thousand, four hundred four".