40344653041212 has 24 divisors (see below), whose sum is σ = 101378871744976. Its totient is φ = 12413739397248.

The previous prime is 40344653041207. The next prime is 40344653041261. The reversal of 40344653041212 is 21214035644304.

40344653041212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129309785233 + ... + 129309785544.

Almost surely, 2^{40344653041212} is an apocalyptic number.

It is an amenable number.

40344653041212 is an abundant number, since it is smaller than the sum of its proper divisors (61034218703764).

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

40344653041212 is a wasteful number, since it uses less digits than its factorization.

40344653041212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258619570797 (or 258619570795 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 39.

Adding to 40344653041212 its reverse (21214035644304), we get a palindrome (61558688685516).

The spelling of 40344653041212 in words is "forty trillion, three hundred forty-four billion, six hundred fifty-three million, forty-one thousand, two hundred twelve".