40143168563 has 4 divisors (see below), whose sum is σ = 40173420960. Its totient is φ = 40112916168.

The previous prime is 40143168557. The next prime is 40143168577. The reversal of 40143168563 is 36586134104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40143168563 - 2¹⁶ = 40143103027 is a prime.

It is a super-2 number, since 2×40143168563² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40143168563.

It is not an unprimeable number, because it can be changed into a prime (40143168763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15124208 + ... + 15126861.

It is an arithmetic number, because the mean of its divisors is an integer number (10043355240).

Almost surely, 2^40143168563 is an apocalyptic number.

40143168563 is a deficient number, since it is larger than the sum of its proper divisors (30252397).

40143168563 is a wasteful number, since it uses less digits than its factorization.

40143168563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30252396.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 40143168563 in words is "forty billion, one hundred forty-three million, one hundred sixty-eight thousand, five hundred sixty-three".