200144444443 has 4 divisors (see below), whose sum is σ = 207045977040. Its totient is φ = 193242911848.

The previous prime is 200144444321. The next prime is 200144444453. The reversal of 200144444443 is 344444441002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200144444443 - 2¹⁷ = 200144313371 is a prime.

It is a super-2 number, since 2×200144444443² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200144444399 and 200144444408.

It is not an unprimeable number, because it can be changed into a prime (200144444453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3450766255 + ... + 3450766312.

It is an arithmetic number, because the mean of its divisors is an integer number (51761494260).

Almost surely, 2^200144444443 is an apocalyptic number.

200144444443 is a deficient number, since it is larger than the sum of its proper divisors (6901532597).

200144444443 is an equidigital number, since it uses as much as digits as its factorization.

200144444443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6901532596.

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 200144444443 its reverse (344444441002), we get a palindrome (544588885445).

The spelling of 200144444443 in words is "two hundred billion, one hundred forty-four million, four hundred forty-four thousand, four hundred forty-three".