40405365241 has 8 divisors (see below), whose sum is σ = 41135559840. Its totient is φ = 39676682688.

The previous prime is 40405365181. The next prime is 40405365277. The reversal of 40405365241 is 14256350404.

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 40405365241 - 2⁹ = 40405364729 is a prime.

It is a super-2 number, since 2×40405365241² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40405365197 and 40405365206.

It is not an unprimeable number, because it can be changed into a prime (40405365941) 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, 324016 + ... + 431041.

It is an arithmetic number, because the mean of its divisors is an integer number (5141944980).

Almost surely, 2^40405365241 is an apocalyptic number.

It is an amenable number.

40405365241 is a deficient number, since it is larger than the sum of its proper divisors (730194599).

40405365241 is an equidigital number, since it uses as much as digits as its factorization.

40405365241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756023.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 40405365241 in words is "forty billion, four hundred five million, three hundred sixty-five thousand, two hundred forty-one".