201040443 has 6 divisors (see below), whose sum is σ = 290391764. Its totient is φ = 134026956.

The previous prime is 201040423. The next prime is 201040457. The reversal of 201040443 is 344040102.

It is not a de Polignac number, because 201040443 - 2¹⁴ = 201024059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201040423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11168905 + ... + 11168922.

Almost surely, 2^201040443 is an apocalyptic number.

201040443 is a deficient number, since it is larger than the sum of its proper divisors (89351321).

201040443 is a wasteful number, since it uses less digits than its factorization.

201040443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22337833 (or 22337830 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 201040443 is about 14178.8731216553. The cubic root of 201040443 is about 585.8158854629.

Adding to 201040443 its reverse (344040102), we get a palindrome (545080545).

The spelling of 201040443 in words is "two hundred one million, forty thousand, four hundred forty-three".