40040244220424 has 64 divisors (see below), whose sum is σ = 88699109391360. Its totient is φ = 16582022795520.

The previous prime is 40040244220423. The next prime is 40040244220481. The reversal of 40040244220424 is 42402244204004.

It is not an unprimeable number, because it can be changed into a prime (40040244220423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15859187 + ... + 18209730.

It is an arithmetic number, because the mean of its divisors is an integer number (1385923584240).

Almost surely, 2^{40040244220424} is an apocalyptic number.

It is an amenable number.

40040244220424 is an abundant number, since it is smaller than the sum of its proper divisors (48658865170936).

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

40040244220424 is a wasteful number, since it uses less digits than its factorization.

40040244220424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34069638 (or 34069634 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 40040244220424 its reverse (42402244204004), we get a palindrome (82442488424428).

The spelling of 40040244220424 in words is "forty trillion, forty billion, two hundred forty-four million, two hundred twenty thousand, four hundred twenty-four".