442563046 has 4 divisors (see below), whose sum is σ = 663844572. Its totient is φ = 221281522.

The previous prime is 442563007. The next prime is 442563053. The reversal of 442563046 is 640365244.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110640760 + ... + 110640763.

It is an arithmetic number, because the mean of its divisors is an integer number (165961143).

Almost surely, 2^442563046 is an apocalyptic number.

442563046 is a deficient number, since it is larger than the sum of its proper divisors (221281526).

442563046 is a wasteful number, since it uses less digits than its factorization.

442563046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221281525.

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 442563046 is about 21037.1824634384. The cubic root of 442563046 is about 762.0644735255.

The spelling of 442563046 in words is "four hundred forty-two million, five hundred sixty-three thousand, forty-six".