442561107 has 8 divisors (see below), whose sum is σ = 606029776. Its totient is φ = 287066592.

The previous prime is 442561103. The next prime is 442561111. The reversal of 442561107 is 701165244.

It is an interprime number because it is at equal distance from previous prime (442561103) and next prime (442561111).

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

It is not a de Polignac number, because 442561107 - 2² = 442561103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442561103) 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, 1993408 + ... + 1993629.

It is an arithmetic number, because the mean of its divisors is an integer number (75753722).

Almost surely, 2^442561107 is an apocalyptic number.

442561107 is a deficient number, since it is larger than the sum of its proper divisors (163468669).

442561107 is a wasteful number, since it uses less digits than its factorization.

442561107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3987077.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 442561107 is about 21037.1363783192. The cubic root of 442561107 is about 762.0633605804.

The spelling of 442561107 in words is "four hundred forty-two million, five hundred sixty-one thousand, one hundred seven".