442440444202 has 4 divisors (see below), whose sum is σ = 663660666306. Its totient is φ = 221220222100.

The previous prime is 442440444169. The next prime is 442440444203. The reversal of 442440444202 is 202444044244.

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., 413936537641 + 28503906561 = 643379^2 + 168831^2 .

It is not an unprimeable number, because it can be changed into a prime (442440444203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110610111049 + ... + 110610111052.

Almost surely, 2^442440444202 is an apocalyptic number.

442440444202 is a deficient number, since it is larger than the sum of its proper divisors (221220222104).

442440444202 is a wasteful number, since it uses less digits than its factorization.

442440444202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221220222103.

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 442440444202 its reverse (202444044244), we get a palindrome (644884488446).

The spelling of 442440444202 in words is "four hundred forty-two billion, four hundred forty million, four hundred forty-four thousand, two hundred two".