40816328799 has 32 divisors (see below), whose sum is σ = 55293638400. Its totient is φ = 26779334400.

The previous prime is 40816328771. The next prime is 40816328809. The reversal of 40816328799 is 99782361804.

It is a de Polignac number, because none of the positive numbers 2^k-40816328799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40816338799) 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 31 ways as a sum of consecutive naturals, for example, 38909227 + ... + 38910275.

It is an arithmetic number, because the mean of its divisors is an integer number (1727926200).

Almost surely, 2^40816328799 is an apocalyptic number.

40816328799 is a deficient number, since it is larger than the sum of its proper divisors (14477309601).

40816328799 is a wasteful number, since it uses less digits than its factorization.

40816328799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911.

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 40816328799 in words is "forty billion, eight hundred sixteen million, three hundred twenty-eight thousand, seven hundred ninety-nine".