40422400640446 has 32 divisors (see below), whose sum is σ = 66988793664000. Its totient is φ = 18139678702080.

The previous prime is 40422400640429. The next prime is 40422400640449. The reversal of 40422400640446 is 64404600422404.

It is a happy number.

40422400640446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40422400640399 and 40422400640408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40422400640449) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 19338846 + ... + 21326878.

It is an arithmetic number, because the mean of its divisors is an integer number (2093399802000).

Almost surely, 2^{40422400640446} is an apocalyptic number.

40422400640446 is a deficient number, since it is larger than the sum of its proper divisors (26566393023554).

40422400640446 is a wasteful number, since it uses less digits than its factorization.

40422400640446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999824.

The product of its (nonzero) digits is 589824, while the sum is 40.

The spelling of 40422400640446 in words is "forty trillion, four hundred twenty-two billion, four hundred million, six hundred forty thousand, four hundred forty-six".