442664562 has 32 divisors (see below), whose sum is σ = 919425024. Its totient is φ = 141930000.

The previous prime is 442664561. The next prime is 442664597. The reversal of 442664562 is 265466244.

It is a self number, because there is not a number n which added to its sum of digits gives 442664562.

It is not an unprimeable number, because it can be changed into a prime (442664561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23937 + ... + 38187.

It is an arithmetic number, because the mean of its divisors is an integer number (28732032).

Almost surely, 2^442664562 is an apocalyptic number.

442664562 is an abundant number, since it is smaller than the sum of its proper divisors (476760462).

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

442664562 is a wasteful number, since it uses less digits than its factorization.

442664562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14454.

The product of its digits is 276480, while the sum is 39.

The square root of 442664562 is about 21039.5951006667. The cubic root of 442664562 is about 762.1227370305.

It can be divided in two parts, 44266 and 4562, that added together give a triangular number (48828 = T₃₁₂).

The spelling of 442664562 in words is "four hundred forty-two million, six hundred sixty-four thousand, five hundred sixty-two".