16450565975040 has 176 divisors, whose sum is σ = 52619323373568. Its totient is φ = 4386549448704.

The previous prime is 16450565975027. The next prime is 16450565975069. The reversal of 16450565975040 is 4057956505461.

It is a super-2 number, since 2×16450565975040² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 492470979 + ... + 492504381.

Almost surely, 2^{16450565975040} is an apocalyptic number.

16450565975040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16450565975040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26309661686784).

16450565975040 is an abundant number, since it is smaller than the sum of its proper divisors (36168757398528).

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

16450565975040 is a wasteful number, since it uses less digits than its factorization.

16450565975040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65494 (or 65476 counting only the distinct ones).

The product of its (nonzero) digits is 22680000, while the sum is 57.

The spelling of 16450565975040 in words is "sixteen trillion, four hundred fifty billion, five hundred sixty-five million, nine hundred seventy-five thousand, forty".