201044444142 has 16 divisors (see below), whose sum is σ = 402317498880. Its totient is φ = 66976712952.

The previous prime is 201044444137. The next prime is 201044444191. The reversal of 201044444142 is 241444440102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9514008 + ... + 9535115.

It is an arithmetic number, because the mean of its divisors is an integer number (25144843680).

Almost surely, 2^201044444142 is an apocalyptic number.

201044444142 is an abundant number, since it is smaller than the sum of its proper divisors (201273054738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201044444142 is a wasteful number, since it uses less digits than its factorization.

201044444142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19050887.

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 201044444142 its reverse (241444440102), we get a palindrome (442488884244).

The spelling of 201044444142 in words is "two hundred one billion, forty-four million, four hundred forty-four thousand, one hundred forty-two".