442043884 has 24 divisors (see below), whose sum is σ = 797872320. Its totient is φ = 214131456.

The previous prime is 442043869. The next prime is 442043929. The reversal of 442043884 is 488340244.

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 29124 + ... + 41620.

It is an arithmetic number, because the mean of its divisors is an integer number (33244680).

Almost surely, 2^442043884 is an apocalyptic number.

It is an amenable number.

442043884 is a deficient number, since it is larger than the sum of its proper divisors (355828436).

442043884 is a wasteful number, since it uses less digits than its factorization.

442043884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12777 (or 12775 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 37.

The square root of 442043884 is about 21024.8396902331. The cubic root of 442043884 is about 761.7663693160.

The spelling of 442043884 in words is "four hundred forty-two million, forty-three thousand, eight hundred eighty-four".