40320413143 has 4 divisors (see below), whose sum is σ = 42073474608. Its totient is φ = 38567351680.

The previous prime is 40320413099. The next prime is 40320413167. The reversal of 40320413143 is 34131402304.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40320413143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40320413173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 876530698 + ... + 876530743.

It is an arithmetic number, because the mean of its divisors is an integer number (10518368652).

Almost surely, 2^40320413143 is an apocalyptic number.

40320413143 is a deficient number, since it is larger than the sum of its proper divisors (1753061465).

40320413143 is a wasteful number, since it uses less digits than its factorization.

40320413143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753061464.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 40320413143 its reverse (34131402304), we get a palindrome (74451815447).

The spelling of 40320413143 in words is "forty billion, three hundred twenty million, four hundred thirteen thousand, one hundred forty-three".