40016643210442 has 8 divisors (see below), whose sum is σ = 60024997174500. Its totient is φ = 20008310818944.

The previous prime is 40016643210389. The next prime is 40016643210443. The reversal of 40016643210442 is 24401234661004.

40016643210442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 36751614660721 + 3265028549721 = 6062311^2 + 1806939^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40016643210443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557434 + ... + 8963482.

Almost surely, 2^{40016643210442} is an apocalyptic number.

40016643210442 is a deficient number, since it is larger than the sum of its proper divisors (20008353964058).

40016643210442 is a wasteful number, since it uses less digits than its factorization.

40016643210442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10786280.

The product of its (nonzero) digits is 110592, while the sum is 37.

Adding to 40016643210442 its reverse (24401234661004), we get a palindrome (64417877871446).

The spelling of 40016643210442 in words is "forty trillion, sixteen billion, six hundred forty-three million, two hundred ten thousand, four hundred forty-two".