40541445505 has 32 divisors (see below), whose sum is σ = 53315994240. Its totient is φ = 29349665280.

The previous prime is 40541445421. The next prime is 40541445599. The reversal of 40541445505 is 50554414504.

It is not a de Polignac number, because 40541445505 - 2³⁵ = 6181707137 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18401734 + ... + 18403936.

It is an arithmetic number, because the mean of its divisors is an integer number (1666124820).

Almost surely, 2^40541445505 is an apocalyptic number.

It is an amenable number.

40541445505 is a deficient number, since it is larger than the sum of its proper divisors (12774548735).

40541445505 is a wasteful number, since it uses less digits than its factorization.

40541445505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3601.

The product of its (nonzero) digits is 160000, while the sum is 37.

The spelling of 40541445505 in words is "forty billion, five hundred forty-one million, four hundred forty-five thousand, five hundred five".