40040044224245 has 24 divisors (see below), whose sum is σ = 52114079771136. Its totient is φ = 29519320529088.

The previous prime is 40040044224223. The next prime is 40040044224247. The reversal of 40040044224245 is 54242244004004.

It is a happy number.

It is not a de Polignac number, because 40040044224245 - 2²⁴ = 40040027447029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40040044224247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38518937 + ... + 39544766.

It is an arithmetic number, because the mean of its divisors is an integer number (2171419990464).

Almost surely, 2^{40040044224245} is an apocalyptic number.

It is an amenable number.

40040044224245 is a deficient number, since it is larger than the sum of its proper divisors (12074035546891).

40040044224245 is a wasteful number, since it uses less digits than its factorization.

40040044224245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78064341 (or 78064328 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 35.

Adding to 40040044224245 its reverse (54242244004004), we get a palindrome (94282288228249).

The spelling of 40040044224245 in words is "forty trillion, forty billion, forty-four million, two hundred twenty-four thousand, two hundred forty-five".