40443462406623 has 16 divisors (see below), whose sum is σ = 54223628659200. Its totient is φ = 26812808180640.

The previous prime is 40443462406553. The next prime is 40443462406651. The reversal of 40443462406623 is 32660426434404.

It is not a de Polignac number, because 40443462406623 - 2⁴⁵ = 5259090317791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40443462406663) 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, 27363358 + ... + 28803476.

It is an arithmetic number, because the mean of its divisors is an integer number (3388976791200).

Almost surely, 2^{40443462406623} is an apocalyptic number.

40443462406623 is a deficient number, since it is larger than the sum of its proper divisors (13780166252577).

40443462406623 is a wasteful number, since it uses less digits than its factorization.

40443462406623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492022.

The product of its (nonzero) digits is 7962624, while the sum is 48.

The spelling of 40443462406623 in words is "forty trillion, four hundred forty-three billion, four hundred sixty-two million, four hundred six thousand, six hundred twenty-three".