442463026 has 8 divisors (see below), whose sum is σ = 669568284. Its totient is φ = 219273600.

The previous prime is 442463023. The next prime is 442463041. The reversal of 442463026 is 620364244.

It can be written as a sum of positive squares in 2 ways, for example, as 400200025 + 42263001 = 20005^2 + 6501^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (442463023) 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 3 ways as a sum of consecutive naturals, for example, 978675 + ... + 979126.

Almost surely, 2^442463026 is an apocalyptic number.

442463026 is a deficient number, since it is larger than the sum of its proper divisors (227105258).

442463026 is a wasteful number, since it uses less digits than its factorization.

442463026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957916.

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 442463026 is about 21034.8051096272. The cubic root of 442463026 is about 762.0070599117.

The spelling of 442463026 in words is "four hundred forty-two million, four hundred sixty-three thousand, twenty-six".