40442303443 has 4 divisors (see below), whose sum is σ = 40442737528. Its totient is φ = 40441869360.

The previous prime is 40442303417. The next prime is 40442303449. The reversal of 40442303443 is 34430324404.

40442303443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40442303443 - 2¹³ = 40442295251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40442303449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13938 + ... + 284743.

It is an arithmetic number, because the mean of its divisors is an integer number (10110684382).

Almost surely, 2^40442303443 is an apocalyptic number.

40442303443 is a deficient number, since it is larger than the sum of its proper divisors (434085).

40442303443 is a wasteful number, since it uses less digits than its factorization.

40442303443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434084.

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 40442303443 its reverse (34430324404), we get a palindrome (74872627847).

The spelling of 40442303443 in words is "forty billion, four hundred forty-two million, three hundred three thousand, four hundred forty-three".