40503240133 has 4 divisors (see below), whose sum is σ = 40537363680. Its totient is φ = 40469116588.

The previous prime is 40503240119. The next prime is 40503240157. The reversal of 40503240133 is 33104230504.

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 a de Polignac number, because none of the positive numbers 2^k-40503240133 is a prime.

It is a super-2 number, since 2×40503240133² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40503240098 and 40503240107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40503240233) 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, 17059993 + ... + 17062366.

It is an arithmetic number, because the mean of its divisors is an integer number (10134340920).

Almost surely, 2^40503240133 is an apocalyptic number.

It is an amenable number.

40503240133 is a deficient number, since it is larger than the sum of its proper divisors (34123547).

40503240133 is a wasteful number, since it uses less digits than its factorization.

40503240133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34123546.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 40503240133 its reverse (33104230504), we get a palindrome (73607470637).

The spelling of 40503240133 in words is "forty billion, five hundred three million, two hundred forty thousand, one hundred thirty-three".