40605440233 has 4 divisors (see below), whose sum is σ = 40735170388. Its totient is φ = 40475710080.

The previous prime is 40605440221. The next prime is 40605440237. The reversal of 40605440233 is 33204450604.

40605440233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3751807504 + 36853632729 = 61252^2 + 191973^2 .

It is a cyclic number.

It is not a de Polignac number, because 40605440233 - 2²⁵ = 40571885801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40605440195 and 40605440204.

It is not an unprimeable number, because it can be changed into a prime (40605440237) 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, 64864608 + ... + 64865233.

It is an arithmetic number, because the mean of its divisors is an integer number (10183792597).

Almost surely, 2^40605440233 is an apocalyptic number.

It is an amenable number.

40605440233 is a deficient number, since it is larger than the sum of its proper divisors (129730155).

40605440233 is a wasteful number, since it uses less digits than its factorization.

40605440233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129730154.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 40605440233 its reverse (33204450604), we get a palindrome (73809890837).

The spelling of 40605440233 in words is "forty billion, six hundred five million, four hundred forty thousand, two hundred thirty-three".