40320411443 has 4 divisors (see below), whose sum is σ = 43421981568. Its totient is φ = 37218841320.

The previous prime is 40320411431. The next prime is 40320411491. The reversal of 40320411443 is 34411402304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40320411443 - 2²⁴ = 40303634227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40320411343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1550785043 + ... + 1550785068.

It is an arithmetic number, because the mean of its divisors is an integer number (10855495392).

Almost surely, 2^40320411443 is an apocalyptic number.

40320411443 is a deficient number, since it is larger than the sum of its proper divisors (3101570125).

40320411443 is a wasteful number, since it uses less digits than its factorization.

40320411443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101570124.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 40320411443 its reverse (34411402304), we get a palindrome (74731813747).

The spelling of 40320411443 in words is "forty billion, three hundred twenty million, four hundred eleven thousand, four hundred forty-three".