201242444 has 12 divisors (see below), whose sum is σ = 379264704. Its totient is φ = 92881104.

The previous prime is 201242441. The next prime is 201242507. The reversal of 201242444 is 444242102.

It is not an unprimeable number, because it can be changed into a prime (201242441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1934972 + ... + 1935075.

It is an arithmetic number, because the mean of its divisors is an integer number (31605392).

Almost surely, 2^201242444 is an apocalyptic number.

It is an amenable number.

201242444 is a deficient number, since it is larger than the sum of its proper divisors (178022260).

201242444 is a wasteful number, since it uses less digits than its factorization.

201242444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3870064 (or 3870062 counting only the distinct ones).

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

The square root of 201242444 is about 14185.9946426044. The cubic root of 201242444 is about 586.0120247429.

Adding to 201242444 its reverse (444242102), we get a palindrome (645484546).

The spelling of 201242444 in words is "two hundred one million, two hundred forty-two thousand, four hundred forty-four".