442039982 has 32 divisors (see below), whose sum is σ = 705438720. Its totient is φ = 207393760.

The previous prime is 442039979. The next prime is 442039993. The reversal of 442039982 is 289930244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454757 + ... + 455727.

It is an arithmetic number, because the mean of its divisors is an integer number (22044960).

Almost surely, 2^442039982 is an apocalyptic number.

442039982 is a deficient number, since it is larger than the sum of its proper divisors (263398738).

442039982 is a wasteful number, since it uses less digits than its factorization.

442039982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 442039982 is about 21024.7468950282. The cubic root of 442039982 is about 761.7641278936.

The spelling of 442039982 in words is "four hundred forty-two million, thirty-nine thousand, nine hundred eighty-two".