442132822658 has 54 divisors (see below), whose sum is σ = 711087785577. Its totient is φ = 206163210960.

The previous prime is 442132822643. The next prime is 442132822661. The reversal of 442132822658 is 856228231244.

It can be written as a sum of positive squares in 2 ways, for example, as 441869961289 + 262861369 = 664733^2 + 16213^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=470177.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 845377985 + ... + 845378507.

Almost surely, 2^442132822658 is an apocalyptic number.

442132822658 is a deficient number, since it is larger than the sum of its proper divisors (268954962919).

442132822658 is an frugal number, since it uses more digits than its factorization.

442132822658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168 (or 585 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 47.

The spelling of 442132822658 in words is "four hundred forty-two billion, one hundred thirty-two million, eight hundred twenty-two thousand, six hundred fifty-eight".