40024133 has 2 divisors, whose sum is σ = 40024134. Its totient is φ = 40024132.

The previous prime is 40024109. The next prime is 40024151. The reversal of 40024133 is 33142004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29571844 + 10452289 = 5438^2 + 3233^2 .

It is a cyclic number.

It is not a de Polignac number, because 40024133 - 2¹² = 40020037 is a prime.

It is a super-3 number, since 3×40024133³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40024183) 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 as a sum of consecutive naturals, namely, 20012066 + 20012067.

It is an arithmetic number, because the mean of its divisors is an integer number (20012067).

Almost surely, 2^40024133 is an apocalyptic number.

It is an amenable number.

40024133 is a deficient number, since it is larger than the sum of its proper divisors (1).

40024133 is an equidigital number, since it uses as much as digits as its factorization.

40024133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 40024133 is about 6326.4629138248. The cubic root of 40024133 is about 342.0639535907.

Adding to 40024133 its reverse (33142004), we get a palindrome (73166137).

The spelling of 40024133 in words is "forty million, twenty-four thousand, one hundred thirty-three".