201401444443 has 12 divisors (see below), whose sum is σ = 211377689208. Its totient is φ = 191877224000.

The previous prime is 201401444423. The next prime is 201401444449. The reversal of 201401444443 is 344444104102.

It is not a de Polignac number, because 201401444443 - 2⁵ = 201401444411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201401444449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 625630 + ... + 891187.

It is an arithmetic number, because the mean of its divisors is an integer number (17614807434).

Almost surely, 2^201401444443 is an apocalyptic number.

201401444443 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

201401444443 is a deficient number, since it is larger than the sum of its proper divisors (9976244765).

201401444443 is a wasteful number, since it uses less digits than its factorization.

201401444443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517114 (or 1517091 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 201401444443 its reverse (344444104102), we get a palindrome (545845548545).

The spelling of 201401444443 in words is "two hundred one billion, four hundred one million, four hundred forty-four thousand, four hundred forty-three".