442646712245 has 8 divisors (see below), whose sum is σ = 531263642784. Its totient is φ = 354058977744.

The previous prime is 442646712187. The next prime is 442646712247. The reversal of 442646712245 is 542217646244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 442646712245 - 2⁸ = 442646711989 is a prime.

It is a super-3 number, since 3×442646712245³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442646712245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442646712247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7265639 + ... + 7326308.

It is an arithmetic number, because the mean of its divisors is an integer number (66407955348).

Almost surely, 2^442646712245 is an apocalyptic number.

It is an amenable number.

442646712245 is a deficient number, since it is larger than the sum of its proper divisors (88616930539).

442646712245 is a wasteful number, since it uses less digits than its factorization.

442646712245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14598019.

The product of its digits is 2580480, while the sum is 47.

The spelling of 442646712245 in words is "four hundred forty-two billion, six hundred forty-six million, seven hundred twelve thousand, two hundred forty-five".