40505445122412 has 24 divisors (see below), whose sum is σ = 94672085918256. Its totient is φ = 13479046379008.

The previous prime is 40505445122299. The next prime is 40505445122419. The reversal of 40505445122412 is 21422154450504.

It is not an unprimeable number, because it can be changed into a prime (40505445122419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2846075313 + ... + 2846089544.

It is an arithmetic number, because the mean of its divisors is an integer number (3944670246594).

Almost surely, 2^{40505445122412} is an apocalyptic number.

It is an amenable number.

40505445122412 is an abundant number, since it is smaller than the sum of its proper divisors (54166640795844).

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

40505445122412 is a wasteful number, since it uses less digits than its factorization.

40505445122412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5692165457 (or 5692165455 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 39.

Adding to 40505445122412 its reverse (21422154450504), we get a palindrome (61927599572916).

The spelling of 40505445122412 in words is "forty trillion, five hundred five billion, four hundred forty-five million, one hundred twenty-two thousand, four hundred twelve".