40212033 has 4 divisors (see below), whose sum is σ = 53616048. Its totient is φ = 26808020.

The previous prime is 40212031. The next prime is 40212041. The reversal of 40212033 is 33021204.

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 40212033 - 2¹ = 40212031 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40212031) 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, 6702003 + ... + 6702008.

It is an arithmetic number, because the mean of its divisors is an integer number (13404012).

Almost surely, 2^40212033 is an apocalyptic number.

It is an amenable number.

40212033 is a deficient number, since it is larger than the sum of its proper divisors (13404015).

40212033 is a wasteful number, since it uses less digits than its factorization.

40212033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13404014.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 40212033 is about 6341.2958454877. The cubic root of 40212033 is about 342.5984102812.

Adding to 40212033 its reverse (33021204), we get a palindrome (73233237).

The spelling of 40212033 in words is "forty million, two hundred twelve thousand, thirty-three".