40404231443 has 8 divisors (see below), whose sum is σ = 42718134720. Its totient is φ = 38109064680.

The previous prime is 40404231437. The next prime is 40404231457. The reversal of 40404231443 is 34413240404.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40404231443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40404231403) 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, 4679693 + ... + 4688318.

It is an arithmetic number, because the mean of its divisors is an integer number (5339766840).

Almost surely, 2^40404231443 is an apocalyptic number.

40404231443 is a deficient number, since it is larger than the sum of its proper divisors (2313903277).

40404231443 is a wasteful number, since it uses less digits than its factorization.

40404231443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9368257.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 40404231443 its reverse (34413240404), we get a palindrome (74817471847).

The spelling of 40404231443 in words is "forty billion, four hundred four million, two hundred thirty-one thousand, four hundred forty-three".