16442663754040 has 16 divisors (see below), whose sum is σ = 36995993446680. Its totient is φ = 6577065501600.

The previous prime is 16442663754007. The next prime is 16442663754059. The reversal of 16442663754040 is 4045736624461.

It is a super-3 number, since 3×16442663754040³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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, 205533296886 + ... + 205533296965.

Almost surely, 2^{16442663754040} is an apocalyptic number.

16442663754040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16442663754040 is an abundant number, since it is smaller than the sum of its proper divisors (20553329692640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16442663754040 is a wasteful number, since it uses less digits than its factorization.

16442663754040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411066593862 (or 411066593858 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 52.

The spelling of 16442663754040 in words is "sixteen trillion, four hundred forty-two billion, six hundred sixty-three million, seven hundred fifty-four thousand, forty".