40441243 has 4 divisors (see below), whose sum is σ = 40502008. Its totient is φ = 40380480.

The previous prime is 40441237. The next prime is 40441277. The reversal of 40441243 is 34214404.

40441243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40441243 - 2¹³ = 40433051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40441213) 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 3 ways as a sum of consecutive naturals, for example, 29373 + ... + 30718.

It is an arithmetic number, because the mean of its divisors is an integer number (10125502).

Almost surely, 2^40441243 is an apocalyptic number.

40441243 is a deficient number, since it is larger than the sum of its proper divisors (60765).

40441243 is an equidigital number, since it uses as much as digits as its factorization.

40441243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60764.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 40441243 is about 6359.3429692068. The cubic root of 40441243 is about 343.2481183766.

Adding to 40441243 its reverse (34214404), we get a palindrome (74655647).

The spelling of 40441243 in words is "forty million, four hundred forty-one thousand, two hundred forty-three".