40334334121 has 4 divisors (see below), whose sum is σ = 40605034500. Its totient is φ = 40063633744.

The previous prime is 40334334109. The next prime is 40334334137. The reversal of 40334334121 is 12143343304.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1521000000 + 38813334121 = 39000^2 + 197011^2 .

It is a cyclic number.

It is not a de Polignac number, because 40334334121 - 2⁹ = 40334333609 is a prime.

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 40334334121.

It is not an unprimeable number, because it can be changed into a prime (40334334101) 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, 135349966 + ... + 135350263.

It is an arithmetic number, because the mean of its divisors is an integer number (10151258625).

Almost surely, 2^40334334121 is an apocalyptic number.

It is an amenable number.

40334334121 is a deficient number, since it is larger than the sum of its proper divisors (270700379).

40334334121 is a wasteful number, since it uses less digits than its factorization.

40334334121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270700378.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 40334334121 its reverse (12143343304), we get a palindrome (52477677425).

The spelling of 40334334121 in words is "forty billion, three hundred thirty-four million, three hundred thirty-four thousand, one hundred twenty-one".