201042433444 has 12 divisors (see below), whose sum is σ = 354154221568. Its totient is φ = 99855513000.

The previous prime is 201042433409. The next prime is 201042433453. The reversal of 201042433444 is 444334240102.

It is a super-2 number, since 2×201042433444² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166425252 + ... + 166426459.

Almost surely, 2^201042433444 is an apocalyptic number.

It is an amenable number.

201042433444 is a deficient number, since it is larger than the sum of its proper divisors (153111788124).

201042433444 is a wasteful number, since it uses less digits than its factorization.

201042433444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332851866 (or 332851864 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 201042433444 its reverse (444334240102), we get a palindrome (645376673546).

The spelling of 201042433444 in words is "two hundred one billion, forty-two million, four hundred thirty-three thousand, four hundred forty-four".