201413440442 has 4 divisors (see below), whose sum is σ = 302120160666. Its totient is φ = 100706720220.

The previous prime is 201413440441. The next prime is 201413440469. The reversal of 201413440442 is 244044314102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 181246884361 + 20166556081 = 425731^2 + 142009^2 .

It is not an unprimeable number, because it can be changed into a prime (201413440441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50353360109 + ... + 50353360112.

Almost surely, 2^201413440442 is an apocalyptic number.

201413440442 is a deficient number, since it is larger than the sum of its proper divisors (100706720224).

201413440442 is a wasteful number, since it uses less digits than its factorization.

201413440442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100706720223.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 201413440442 its reverse (244044314102), we get a palindrome (445457754544).

The spelling of 201413440442 in words is "two hundred one billion, four hundred thirteen million, four hundred forty thousand, four hundred forty-two".