40040441205 has 16 divisors (see below), whose sum is σ = 64067194944. Its totient is φ = 21354072320.

The previous prime is 40040441197. The next prime is 40040441209. The reversal of 40040441205 is 50214404004.

It is a happy number.

It is not a de Polignac number, because 40040441205 - 2³ = 40040441197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40040441209) 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 15 ways as a sum of consecutive naturals, for example, 683482 + ... + 739748.

It is an arithmetic number, because the mean of its divisors is an integer number (4004199684).

Almost surely, 2^40040441205 is an apocalyptic number.

It is an amenable number.

40040441205 is a deficient number, since it is larger than the sum of its proper divisors (24026753739).

40040441205 is a wasteful number, since it uses less digits than its factorization.

40040441205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103716.

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 40040441205 its reverse (50214404004), we get a palindrome (90254845209).

The spelling of 40040441205 in words is "forty billion, forty million, four hundred forty-one thousand, two hundred five".