40040333 has 4 divisors (see below), whose sum is σ = 40065600. Its totient is φ = 40015068.

The previous prime is 40040293. The next prime is 40040393. The reversal of 40040333 is 33304004.

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 40040333 - 2⁶ = 40040269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40040393) 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, 10085 + ... + 13482.

It is an arithmetic number, because the mean of its divisors is an integer number (10016400).

Almost surely, 2^40040333 is an apocalyptic number.

It is an amenable number.

40040333 is a deficient number, since it is larger than the sum of its proper divisors (25267).

40040333 is a wasteful number, since it uses less digits than its factorization.

40040333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25266.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 40040333 is about 6327.7431205762. The cubic root of 40040333 is about 342.1100981553.

Adding to 40040333 its reverse (33304004), we get a palindrome (73344337).

The spelling of 40040333 in words is "forty million, forty thousand, three hundred thirty-three".