40124352243 has 8 divisors (see below), whose sum is σ = 54297631168. Its totient is φ = 26350320744.

The previous prime is 40124352211. The next prime is 40124352259. The reversal of 40124352243 is 34225342104.

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

It is not a de Polignac number, because 40124352243 - 2⁵ = 40124352211 is a prime.

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 40124352243.

It is not an unprimeable number, because it can be changed into a prime (40124352263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99811621 + ... + 99812022.

It is an arithmetic number, because the mean of its divisors is an integer number (6787203896).

Almost surely, 2^40124352243 is an apocalyptic number.

40124352243 is a deficient number, since it is larger than the sum of its proper divisors (14173278925).

40124352243 is a wasteful number, since it uses less digits than its factorization.

40124352243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199623713.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 40124352243 its reverse (34225342104), we get a palindrome (74349694347).

The spelling of 40124352243 in words is "forty billion, one hundred twenty-four million, three hundred fifty-two thousand, two hundred forty-three".