40132243 has 8 divisors (see below), whose sum is σ = 40936896. Its totient is φ = 39335400.

The previous prime is 40132207. The next prime is 40132247. The reversal of 40132243 is 34223104.

40132243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40132243 - 2⁹ = 40131731 is a prime.

It is a super-2 number, since 2×40132243² = 3221193856422098, which contains 22 as substring.

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 40132243.

It is not an unprimeable number, because it can be changed into a prime (40132247) 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 7 ways as a sum of consecutive naturals, for example, 9028 + ... + 12718.

It is an arithmetic number, because the mean of its divisors is an integer number (5117112).

Almost surely, 2^40132243 is an apocalyptic number.

40132243 is a deficient number, since it is larger than the sum of its proper divisors (804653).

40132243 is a wasteful number, since it uses less digits than its factorization.

40132243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3905.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 40132243 is about 6335.0014206786. The cubic root of 40132243 is about 342.3716620059.

Adding to 40132243 its reverse (34223104), we get a palindrome (74355347).

The spelling of 40132243 in words is "forty million, one hundred thirty-two thousand, two hundred forty-three".