40202440143 has 4 divisors (see below), whose sum is σ = 53603253528. Its totient is φ = 26801626760.

The previous prime is 40202440133. The next prime is 40202440153. The reversal of 40202440143 is 34104420204.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (40202440133) and next prime (40202440153).

It is a cyclic number.

It is not a de Polignac number, because 40202440143 - 2⁵ = 40202440111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40202440133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6700406688 + ... + 6700406693.

It is an arithmetic number, because the mean of its divisors is an integer number (13400813382).

Almost surely, 2^40202440143 is an apocalyptic number.

40202440143 is a deficient number, since it is larger than the sum of its proper divisors (13400813385).

40202440143 is a wasteful number, since it uses less digits than its factorization.

40202440143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13400813384.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 40202440143 its reverse (34104420204), we get a palindrome (74306860347).

The spelling of 40202440143 in words is "forty billion, two hundred two million, four hundred forty thousand, one hundred forty-three".