16442550040634 has 8 divisors (see below), whose sum is σ = 24663923976468. Its totient is φ = 8221242048480.

The previous prime is 16442550040577. The next prime is 16442550040639. The reversal of 16442550040634 is 43604005524461.

It can be written as a sum of positive squares in 2 ways, for example, as 16189638613225 + 252911427409 = 4023635^2 + 502903^2 .

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

It is a super-3 number, since 3×16442550040634³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (16442550040639) 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, 15857777 + ... + 16862804.

Almost surely, 2^{16442550040634} is an apocalyptic number.

16442550040634 is a deficient number, since it is larger than the sum of its proper divisors (8221373935834).

16442550040634 is a wasteful number, since it uses less digits than its factorization.

16442550040634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32971840.

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 16442550040634 in words is "sixteen trillion, four hundred forty-two billion, five hundred fifty million, forty thousand, six hundred thirty-four".