40565316640143 has 32 divisors (see below), whose sum is σ = 57360239748864. Its totient is φ = 25412083379712.

The previous prime is 40565316640091. The next prime is 40565316640159. The reversal of 40565316640143 is 34104661356504.

It is a happy number.

It is not a de Polignac number, because 40565316640143 - 2¹⁷ = 40565316509071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40565316640092 and 40565316640101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40565316640193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93546621 + ... + 93979257.

It is an arithmetic number, because the mean of its divisors is an integer number (1792507492152).

Almost surely, 2^{40565316640143} is an apocalyptic number.

40565316640143 is a deficient number, since it is larger than the sum of its proper divisors (16794923108721).

40565316640143 is a wasteful number, since it uses less digits than its factorization.

40565316640143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435591.

The product of its (nonzero) digits is 3110400, while the sum is 48.

Adding to 40565316640143 its reverse (34104661356504), we get a palindrome (74669977996647).

The spelling of 40565316640143 in words is "forty trillion, five hundred sixty-five billion, three hundred sixteen million, six hundred forty thousand, one hundred forty-three".