40542032443 has 16 divisors (see below), whose sum is σ = 44625756384. Its totient is φ = 36526120960.

The previous prime is 40542032417. The next prime is 40542032467. The reversal of 40542032443 is 34423024504.

It is a cyclic number.

It is not a de Polignac number, because 40542032443 - 2¹³ = 40542024251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40542032543) 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 15 ways as a sum of consecutive naturals, for example, 520521 + ... + 593317.

It is an arithmetic number, because the mean of its divisors is an integer number (2789109774).

Almost surely, 2^40542032443 is an apocalyptic number.

40542032443 is a deficient number, since it is larger than the sum of its proper divisors (4083723941).

40542032443 is a wasteful number, since it uses less digits than its factorization.

40542032443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73262.

The product of its (nonzero) digits is 46080, while the sum is 31.

Adding to 40542032443 its reverse (34423024504), we get a palindrome (74965056947).

The spelling of 40542032443 in words is "forty billion, five hundred forty-two million, thirty-two thousand, four hundred forty-three".