40203440141 has 4 divisors (see below), whose sum is σ = 40393977984. Its totient is φ = 40012902300.

The previous prime is 40203440107. The next prime is 40203440143. The reversal of 40203440141 is 14104430204.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40203440141 - 2²² = 40199245837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40203440143) 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, 95268605 + ... + 95269026.

It is an arithmetic number, because the mean of its divisors is an integer number (10098494496).

Almost surely, 2^40203440141 is an apocalyptic number.

It is an amenable number.

40203440141 is a deficient number, since it is larger than the sum of its proper divisors (190537843).

40203440141 is a wasteful number, since it uses less digits than its factorization.

40203440141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190537842.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 40203440141 its reverse (14104430204), we get a palindrome (54307870345).

The spelling of 40203440141 in words is "forty billion, two hundred three million, four hundred forty thousand, one hundred forty-one".