201440444 has 6 divisors (see below), whose sum is σ = 352520784. Its totient is φ = 100720220.

The previous prime is 201440443. The next prime is 201440471. The reversal of 201440444 is 444044102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201440443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25180052 + ... + 25180059.

It is an arithmetic number, because the mean of its divisors is an integer number (58753464).

Almost surely, 2^201440444 is an apocalyptic number.

It is an amenable number.

201440444 is a deficient number, since it is larger than the sum of its proper divisors (151080340).

201440444 is a wasteful number, since it uses less digits than its factorization.

201440444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50360115 (or 50360113 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 201440444 is about 14192.9716409214. The cubic root of 201440444 is about 586.2041517875.

Adding to 201440444 its reverse (444044102), we get a palindrome (645484546).

The spelling of 201440444 in words is "two hundred one million, four hundred forty thousand, four hundred forty-four".