442985648 has 40 divisors (see below), whose sum is σ = 1004831520. Its totient is φ = 185218560.

The previous prime is 442985603. The next prime is 442985657. The reversal of 442985648 is 846589244.

It is a junction number, because it is equal to n+sod(n) for n = 442985596 and 442985605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43643 + ... + 52826.

It is an arithmetic number, because the mean of its divisors is an integer number (25120788).

Almost surely, 2^442985648 is an apocalyptic number.

It is an amenable number.

442985648 is an abundant number, since it is smaller than the sum of its proper divisors (561845872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442985648 is a wasteful number, since it uses less digits than its factorization.

442985648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96525 (or 96519 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 50.

The square root of 442985648 is about 21047.2242350387. The cubic root of 442985648 is about 762.3069606466.

The spelling of 442985648 in words is "four hundred forty-two million, nine hundred eighty-five thousand, six hundred forty-eight".