40446808405 has 8 divisors (see below), whose sum is σ = 50101853184. Its totient is φ = 31313658000.

The previous prime is 40446808403. The next prime is 40446808421. The reversal of 40446808405 is 50480864404.

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

It is not a de Polignac number, because 40446808405 - 2¹ = 40446808403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40446808403) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 130473421 + ... + 130473730.

It is an arithmetic number, because the mean of its divisors is an integer number (6262731648).

Almost surely, 2^40446808405 is an apocalyptic number.

It is an amenable number.

40446808405 is a deficient number, since it is larger than the sum of its proper divisors (9655044779).

40446808405 is a wasteful number, since it uses less digits than its factorization.

40446808405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260947187.

The product of its (nonzero) digits is 491520, while the sum is 43.

The spelling of 40446808405 in words is "forty billion, four hundred forty-six million, eight hundred eight thousand, four hundred five".