442428063267 has 4 divisors (see below), whose sum is σ = 589904084360. Its totient is φ = 294952042176.

The previous prime is 442428063193. The next prime is 442428063361. The reversal of 442428063267 is 762360824244.

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

It is not a de Polignac number, because 442428063267 - 2¹⁰ = 442428062243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442428063367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73738010542 + ... + 73738010547.

It is an arithmetic number, because the mean of its divisors is an integer number (147476021090).

Almost surely, 2^442428063267 is an apocalyptic number.

442428063267 is a deficient number, since it is larger than the sum of its proper divisors (147476021093).

442428063267 is a wasteful number, since it uses less digits than its factorization.

442428063267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147476021092.

The product of its (nonzero) digits is 3096576, while the sum is 48.

The spelling of 442428063267 in words is "four hundred forty-two billion, four hundred twenty-eight million, sixty-three thousand, two hundred sixty-seven".