442323026 has 8 divisors (see below), whose sum is σ = 678914544. Its totient is φ = 216018180.

The previous prime is 442322999. The next prime is 442323029. The reversal of 442323026 is 620323244.

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

It is a junction number, because it is equal to n+sod(n) for n = 442322986 and 442323004.

It is not an unprimeable number, because it can be changed into a prime (442323029) 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 3 ways as a sum of consecutive naturals, for example, 2571560 + ... + 2571731.

It is an arithmetic number, because the mean of its divisors is an integer number (84864318).

Almost surely, 2^442323026 is an apocalyptic number.

442323026 is a deficient number, since it is larger than the sum of its proper divisors (236591518).

442323026 is a wasteful number, since it uses less digits than its factorization.

442323026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5143336.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 442323026 is about 21031.4770284923. The cubic root of 442323026 is about 761.9266823918.

The spelling of 442323026 in words is "four hundred forty-two million, three hundred twenty-three thousand, twenty-six".