442774574 has 12 divisors (see below), whose sum is σ = 730029552. Its totient is φ = 201261060.

The previous prime is 442774573. The next prime is 442774589. The reversal of 442774574 is 475477244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442774573) 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 5 ways as a sum of consecutive naturals, for example, 914582 + ... + 915065.

It is an arithmetic number, because the mean of its divisors is an integer number (60835796).

Almost surely, 2^442774574 is an apocalyptic number.

442774574 is a deficient number, since it is larger than the sum of its proper divisors (287254978).

442774574 is a wasteful number, since it uses less digits than its factorization.

442774574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829671 (or 1829660 counting only the distinct ones).

The product of its digits is 878080, while the sum is 44.

The square root of 442774574 is about 21042.2093421770. The cubic root of 442774574 is about 762.1858666242.

The spelling of 442774574 in words is "four hundred forty-two million, seven hundred seventy-four thousand, five hundred seventy-four".