40243112443 has 8 divisors (see below), whose sum is σ = 41995802016. Its totient is φ = 38490672000.

The previous prime is 40243112401. The next prime is 40243112461. The reversal of 40243112443 is 34421134204.

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 40243112443 - 2²¹ = 40241015291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40243112843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317043 + ... + 425443.

It is an arithmetic number, because the mean of its divisors is an integer number (5249475252).

Almost surely, 2^40243112443 is an apocalyptic number.

40243112443 is a deficient number, since it is larger than the sum of its proper divisors (1752689573).

40243112443 is a wasteful number, since it uses less digits than its factorization.

40243112443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124565.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 40243112443 its reverse (34421134204), we get a palindrome (74664246647).

The spelling of 40243112443 in words is "forty billion, two hundred forty-three million, one hundred twelve thousand, four hundred forty-three".