210442023444274 has 4 divisors (see below), whose sum is σ = 315663035166414. Its totient is φ = 105221011722136.

The previous prime is 210442023444259. The next prime is 210442023444281. The reversal of 210442023444274 is 472444320244012.

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., 158989276719025 + 51452746725249 = 12609095^2 + 7173057^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 210442023444274.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52610505861067 + ... + 52610505861070.

Almost surely, 2^{210442023444274} is an apocalyptic number.

210442023444274 is a deficient number, since it is larger than the sum of its proper divisors (105221011722140).

210442023444274 is a wasteful number, since it uses less digits than its factorization.

210442023444274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105221011722139.

The product of its (nonzero) digits is 1376256, while the sum is 43.

Adding to 210442023444274 its reverse (472444320244012), we get a palindrome (682886343688286).

The spelling of 210442023444274 in words is "two hundred ten trillion, four hundred forty-two billion, twenty-three million, four hundred forty-four thousand, two hundred seventy-four".