40005033 has 4 divisors (see below), whose sum is σ = 53340048. Its totient is φ = 26670020.

The previous prime is 40005023. The next prime is 40005041. The reversal of 40005033 is 33050004.

40005033 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, 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 40005033 - 2⁵ = 40005001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40005023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6667503 + ... + 6667508.

It is an arithmetic number, because the mean of its divisors is an integer number (13335012).

Almost surely, 2^40005033 is an apocalyptic number.

It is an amenable number.

40005033 is a deficient number, since it is larger than the sum of its proper divisors (13335015).

40005033 is a wasteful number, since it uses less digits than its factorization.

40005033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13335014.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 40005033 is about 6324.9532014079. The cubic root of 40005033 is about 342.0095325820.

Adding to 40005033 its reverse (33050004), we get a palindrome (73055037).

The spelling of 40005033 in words is "forty million, five thousand, thirty-three".