442856056 has 8 divisors (see below), whose sum is σ = 830355120. Its totient is φ = 221428024.

The previous prime is 442856041. The next prime is 442856093. The reversal of 442856056 is 650658244.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×442856056² = 392242972671750272, which contains 22 as substring.

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, 27678496 + ... + 27678511.

It is an arithmetic number, because the mean of its divisors is an integer number (103794390).

Almost surely, 2^442856056 is an apocalyptic number.

It is an amenable number.

442856056 is a deficient number, since it is larger than the sum of its proper divisors (387499064).

442856056 is a wasteful number, since it uses less digits than its factorization.

442856056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55357013 (or 55357009 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The square root of 442856056 is about 21044.1454091156. The cubic root of 442856056 is about 762.2326177426.

It can be divided in two parts, 44 and 2856056, that added together give a square (2856100 = 1690²).

The spelling of 442856056 in words is "four hundred forty-two million, eight hundred fifty-six thousand, fifty-six".