40036433 has 4 divisors (see below), whose sum is σ = 40888320. Its totient is φ = 39184548.

The previous prime is 40036429. The next prime is 40036441. The reversal of 40036433 is 33463004.

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 40036433 - 2² = 40036429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40036399 and 40036408.

It is not an unprimeable number, because it can be changed into a prime (40036333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425873 + ... + 425966.

It is an arithmetic number, because the mean of its divisors is an integer number (10222080).

Almost surely, 2^40036433 is an apocalyptic number.

It is an amenable number.

40036433 is a deficient number, since it is larger than the sum of its proper divisors (851887).

40036433 is an equidigital number, since it uses as much as digits as its factorization.

40036433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851886.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 40036433 is about 6327.4349463270. The cubic root of 40036433 is about 342.0989904163.

Adding to 40036433 its reverse (33463004), we get a palindrome (73499437).

The spelling of 40036433 in words is "forty million, thirty-six thousand, four hundred thirty-three".