40255066905 has 8 divisors (see below), whose sum is σ = 64408107072. Its totient is φ = 21469369008.

The previous prime is 40255066879. The next prime is 40255066909. The reversal of 40255066905 is 50966055204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40255066905 - 2¹⁹ = 40254542617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40255066909) 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 7 ways as a sum of consecutive naturals, for example, 1341835549 + ... + 1341835578.

It is an arithmetic number, because the mean of its divisors is an integer number (8051013384).

Almost surely, 2^40255066905 is an apocalyptic number.

It is an amenable number.

40255066905 is a deficient number, since it is larger than the sum of its proper divisors (24153040167).

40255066905 is a wasteful number, since it uses less digits than its factorization.

40255066905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683671135.

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 40255066905 in words is "forty billion, two hundred fifty-five million, sixty-six thousand, nine hundred five".