40403266243 has 8 divisors (see below), whose sum is σ = 42531721920. Its totient is φ = 38275007400.

The previous prime is 40403266219. The next prime is 40403266297. The reversal of 40403266243 is 34266230404.

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 40403266243 - 2⁹ = 40403265731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40403266199 and 40403266208.

It is not an unprimeable number, because it can be changed into a prime (40403269243) 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 7 ways as a sum of consecutive naturals, for example, 575796 + ... + 642142.

It is an arithmetic number, because the mean of its divisors is an integer number (5316465240).

Almost surely, 2^40403266243 is an apocalyptic number.

40403266243 is a deficient number, since it is larger than the sum of its proper divisors (2128455677).

40403266243 is a wasteful number, since it uses less digits than its factorization.

40403266243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98417.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 40403266243 its reverse (34266230404), we get a palindrome (74669496647).

The spelling of 40403266243 in words is "forty billion, four hundred three million, two hundred sixty-six thousand, two hundred forty-three".