201044442402 has 12 divisors (see below), whose sum is σ = 435596291910. Its totient is φ = 67014814128.

The previous prime is 201044442371. The next prime is 201044442413. The reversal of 201044442402 is 204244440102.

It can be written as a sum of positive squares in only one way, i.e., 191457878481 + 9586563921 = 437559^2 + 97911^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5584567827 + ... + 5584567862.

Almost surely, 2^201044442402 is an apocalyptic number.

201044442402 is an abundant number, since it is smaller than the sum of its proper divisors (234551849508).

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

201044442402 is a wasteful number, since it uses less digits than its factorization.

201044442402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11169135697 (or 11169135694 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 201044442402 its reverse (204244440102), we get a palindrome (405288882504).

The spelling of 201044442402 in words is "two hundred one billion, forty-four million, four hundred forty-two thousand, four hundred two".