442621161106 has 4 divisors (see below), whose sum is σ = 663931741662. Its totient is φ = 221310580552.

The previous prime is 442621160987. The next prime is 442621161119. The reversal of 442621161106 is 601161126244.

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

It can be written as a sum of positive squares in only one way, i.e., 223264755081 + 219356406025 = 472509^2 + 468355^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110655290275 + ... + 110655290278.

Almost surely, 2^442621161106 is an apocalyptic number.

442621161106 is a deficient number, since it is larger than the sum of its proper divisors (221310580556).

442621161106 is a wasteful number, since it uses less digits than its factorization.

442621161106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221310580555.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 442621161106 in words is "four hundred forty-two billion, six hundred twenty-one million, one hundred sixty-one thousand, one hundred six".