40243134441 has 16 divisors (see below), whose sum is σ = 54884775168. Its totient is φ = 26216908800.

The previous prime is 40243134389. The next prime is 40243134443. The reversal of 40243134441 is 14443134204.

It is not a de Polignac number, because 40243134441 - 2⁶ = 40243134377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40243134399 and 40243134408.

It is not an unprimeable number, because it can be changed into a prime (40243134443) 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, 132250 + ... + 313011.

It is an arithmetic number, because the mean of its divisors is an integer number (3430298448).

Almost surely, 2^40243134441 is an apocalyptic number.

It is an amenable number.

40243134441 is a deficient number, since it is larger than the sum of its proper divisors (14641640727).

40243134441 is a wasteful number, since it uses less digits than its factorization.

40243134441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445952.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 40243134441 its reverse (14443134204), we get a palindrome (54686268645).

The spelling of 40243134441 in words is "forty billion, two hundred forty-three million, one hundred thirty-four thousand, four hundred forty-one".