40080143 has 4 divisors (see below), whose sum is σ = 40932960. Its totient is φ = 39227328.

The previous prime is 40080127. The next prime is 40080163. The reversal of 40080143 is 34108004.

40080143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40080143 - 2⁴ = 40080127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40080113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426338 + ... + 426431.

It is an arithmetic number, because the mean of its divisors is an integer number (10233240).

Almost surely, 2^40080143 is an apocalyptic number.

40080143 is a deficient number, since it is larger than the sum of its proper divisors (852817).

40080143 is an equidigital number, since it uses as much as digits as its factorization.

40080143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852816.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 40080143 is about 6330.8880103821. Note that the first 3 decimals coincide. The cubic root of 40080143 is about 342.2234413003.

Adding to 40080143 its reverse (34108004), we get a palindrome (74188147).

The spelling of 40080143 in words is "forty million, eighty thousand, one hundred forty-three".