40616243 has 4 divisors (see below), whose sum is σ = 42753960. Its totient is φ = 38478528.

The previous prime is 40616239. The next prime is 40616297. The reversal of 40616243 is 34261604.

40616243 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 40616243 - 2² = 40616239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40616203) 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, 1068830 + ... + 1068867.

It is an arithmetic number, because the mean of its divisors is an integer number (10688490).

Almost surely, 2^40616243 is an apocalyptic number.

40616243 is a deficient number, since it is larger than the sum of its proper divisors (2137717).

40616243 is a wasteful number, since it uses less digits than its factorization.

40616243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137716.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 40616243 is about 6373.0873993693. The cubic root of 40616243 is about 343.7425145257.

Adding to 40616243 its reverse (34261604), we get a palindrome (74877847).

The spelling of 40616243 in words is "forty million, six hundred sixteen thousand, two hundred forty-three".