40505541305 has 8 divisors (see below), whose sum is σ = 51164894400. Its totient is φ = 30698936496.

The previous prime is 40505541281. The next prime is 40505541313. The reversal of 40505541305 is 50314550504.

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

It is a cyclic number.

It is not a de Polignac number, because 40505541305 - 2¹⁸ = 40505279161 is a prime.

It is a super-2 number, since 2×40505541305² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 213186965 + ... + 213187154.

It is an arithmetic number, because the mean of its divisors is an integer number (6395611800).

Almost surely, 2^40505541305 is an apocalyptic number.

It is an amenable number.

40505541305 is a deficient number, since it is larger than the sum of its proper divisors (10659353095).

40505541305 is a wasteful number, since it uses less digits than its factorization.

40505541305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426374143.

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 40505541305 in words is "forty billion, five hundred five million, five hundred forty-one thousand, three hundred five".