40855564505 has 32 divisors (see below), whose sum is σ = 57330201600. Its totient is φ = 27371224512.

The previous prime is 40855564487. The next prime is 40855564523. The reversal of 40855564505 is 50546555804.

It is an interprime number because it is at equal distance from previous prime (40855564487) and next prime (40855564523).

It is a cyclic number.

It is not a de Polignac number, because 40855564505 - 2¹² = 40855560409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40855564505.

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, 275906 + ... + 397284.

It is an arithmetic number, because the mean of its divisors is an integer number (1791568800).

Almost surely, 2^40855564505 is an apocalyptic number.

It is an amenable number.

40855564505 is a deficient number, since it is larger than the sum of its proper divisors (16474637095).

40855564505 is a wasteful number, since it uses less digits than its factorization.

40855564505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121613.

The product of its (nonzero) digits is 2400000, while the sum is 47.

The spelling of 40855564505 in words is "forty billion, eight hundred fifty-five million, five hundred sixty-four thousand, five hundred five".