40505223603 has 16 divisors (see below), whose sum is σ = 59579918496. Its totient is φ = 24318332160.

The previous prime is 40505223589. The next prime is 40505223613. The reversal of 40505223603 is 30632250504.

It is not a de Polignac number, because 40505223603 - 2¹³ = 40505215411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40505223613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12664200 + ... + 12667397.

It is an arithmetic number, because the mean of its divisors is an integer number (3723744906).

Almost surely, 2^40505223603 is an apocalyptic number.

40505223603 is a deficient number, since it is larger than the sum of its proper divisors (19074694893).

40505223603 is a wasteful number, since it uses less digits than its factorization.

40505223603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25331654.

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 40505223603 in words is "forty billion, five hundred five million, two hundred twenty-three thousand, six hundred three".