40240333 has 4 divisors (see below), whose sum is σ = 45988960. Its totient is φ = 34491708.

The previous prime is 40240261. The next prime is 40240339. The reversal of 40240333 is 33304204.

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 40240333 - 2⁹ = 40239821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40240333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40240339) 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, 2874303 + ... + 2874316.

It is an arithmetic number, because the mean of its divisors is an integer number (11497240).

Almost surely, 2^40240333 is an apocalyptic number.

It is an amenable number.

40240333 is a deficient number, since it is larger than the sum of its proper divisors (5748627).

40240333 is an equidigital number, since it uses as much as digits as its factorization.

40240333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5748626.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 40240333 is about 6343.5268581445. The cubic root of 40240333 is about 342.6787615318.

Adding to 40240333 its reverse (33304204), we get a palindrome (73544537).

It can be divided in two parts, 4024033 and 3, that added together give a square (4024036 = 2006²).

The spelling of 40240333 in words is "forty million, two hundred forty thousand, three hundred thirty-three".