201944449 has 8 divisors (see below), whose sum is σ = 232210880. Its totient is φ = 172032336.

The previous prime is 201944441. The next prime is 201944459. The reversal of 201944449 is 944449102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201944449 - 2³ = 201944441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201944441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87354 + ... + 89635.

It is an arithmetic number, because the mean of its divisors is an integer number (29026360).

Almost surely, 2^201944449 is an apocalyptic number.

It is an amenable number.

201944449 is a deficient number, since it is larger than the sum of its proper divisors (30266431).

201944449 is a wasteful number, since it uses less digits than its factorization.

201944449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177159.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 201944449 is about 14210.7159918141. The cubic root of 201944449 is about 586.6926398553.

The spelling of 201944449 in words is "two hundred one million, nine hundred forty-four thousand, four hundred forty-nine".