442613466 has 48 divisors (see below), whose sum is σ = 971890920. Its totient is φ = 145566720.

The previous prime is 442613461. The next prime is 442613467. The reversal of 442613466 is 664316244.

It can be written as a sum of positive squares in 4 ways, for example, as 291692241 + 150921225 = 17079^2 + 12285^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 442613466.

It is not an unprimeable number, because it can be changed into a prime (442613461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 849286 + ... + 849806.

Almost surely, 2^442613466 is an apocalyptic number.

442613466 is an abundant number, since it is smaller than the sum of its proper divisors (529277454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442613466 is a wasteful number, since it uses less digits than its factorization.

442613466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071 (or 1068 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 442613466 is about 21038.3807837010. The cubic root of 442613466 is about 762.0934124018.

The spelling of 442613466 in words is "four hundred forty-two million, six hundred thirteen thousand, four hundred sixty-six".