442105663130 has 8 divisors (see below), whose sum is σ = 795790193652. Its totient is φ = 176842265248.

The previous prime is 442105663127. The next prime is 442105663151. The reversal of 442105663130 is 31366501244.

It can be written as a sum of positive squares in 2 ways, for example, as 401812728769 + 40292934361 = 633887^2 + 200731^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22105283147 + ... + 22105283166.

Almost surely, 2^442105663130 is an apocalyptic number.

442105663130 is a deficient number, since it is larger than the sum of its proper divisors (353684530522).

442105663130 is a wasteful number, since it uses less digits than its factorization.

442105663130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44210566320.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 442105663130 in words is "four hundred forty-two billion, one hundred five million, six hundred sixty-three thousand, one hundred thirty".