40673027243 has 4 divisors (see below), whose sum is σ = 40681132848. Its totient is φ = 40664921640.

The previous prime is 40673027231. The next prime is 40673027257. The reversal of 40673027243 is 34272037604.

It is a happy number.

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 40673027243 - 2⁸ = 40673026987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40673027197 and 40673027206.

It is not an unprimeable number, because it can be changed into a prime (40673024243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4045271 + ... + 4055312.

It is an arithmetic number, because the mean of its divisors is an integer number (10170283212).

Almost surely, 2^40673027243 is an apocalyptic number.

40673027243 is a deficient number, since it is larger than the sum of its proper divisors (8105605).

40673027243 is an equidigital number, since it uses as much as digits as its factorization.

40673027243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8105604.

The product of its (nonzero) digits is 169344, while the sum is 38.

The spelling of 40673027243 in words is "forty billion, six hundred seventy-three million, twenty-seven thousand, two hundred forty-three".