40310340121 has 4 divisors (see below), whose sum is σ = 40325900544. Its totient is φ = 40294779700.

The previous prime is 40310340073. The next prime is 40310340151. The reversal of 40310340121 is 12104301304.

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 40310340121 - 2¹¹ = 40310338073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40310340151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7776325 + ... + 7781506.

It is an arithmetic number, because the mean of its divisors is an integer number (10081475136).

Almost surely, 2^40310340121 is an apocalyptic number.

It is an amenable number.

40310340121 is a deficient number, since it is larger than the sum of its proper divisors (15560423).

40310340121 is a wasteful number, since it uses less digits than its factorization.

40310340121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15560422.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 40310340121 its reverse (12104301304), we get a palindrome (52414641425).

The spelling of 40310340121 in words is "forty billion, three hundred ten million, three hundred forty thousand, one hundred twenty-one".