40243244403 has 16 divisors (see below), whose sum is σ = 54425134080. Its totient is φ = 26446195776.

The previous prime is 40243244387. The next prime is 40243244423. The reversal of 40243244403 is 30444234204.

It is not a de Polignac number, because 40243244403 - 2⁴ = 40243244387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40243244423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8626 + ... + 283832.

It is an arithmetic number, because the mean of its divisors is an integer number (3401570880).

Almost surely, 2^40243244403 is an apocalyptic number.

40243244403 is a deficient number, since it is larger than the sum of its proper divisors (14181889677).

40243244403 is a wasteful number, since it uses less digits than its factorization.

40243244403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275906.

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 40243244403 its reverse (30444234204), we get a palindrome (70687478607).

The spelling of 40243244403 in words is "forty billion, two hundred forty-three million, two hundred forty-four thousand, four hundred three".