40163444400585 has 32 divisors (see below), whose sum is σ = 70104962408832. Its totient is φ = 19472769658880.

The previous prime is 40163444400559. The next prime is 40163444400707. The reversal of 40163444400585 is 58500444436104.

It is not a de Polignac number, because 40163444400585 - 2¹² = 40163444396489 is a prime.

It is a super-2 number, since 2×40163444400585² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5230747 + ... + 10377263.

It is an arithmetic number, because the mean of its divisors is an integer number (2190780075276).

Almost surely, 2^{40163444400585} is an apocalyptic number.

It is an amenable number.

40163444400585 is a deficient number, since it is larger than the sum of its proper divisors (29941518008247).

40163444400585 is a wasteful number, since it uses less digits than its factorization.

40163444400585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5193833.

The product of its (nonzero) digits is 3686400, while the sum is 48.

Adding to 40163444400585 its reverse (58500444436104), we get a palindrome (98663888836689).

The spelling of 40163444400585 in words is "forty trillion, one hundred sixty-three billion, four hundred forty-four million, four hundred thousand, five hundred eighty-five".