442130721188 has 24 divisors (see below), whose sum is σ = 833265393408. Its totient is φ = 204055671456.

The previous prime is 442130721161. The next prime is 442130721203. The reversal of 442130721188 is 881127031244.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3401645 + ... + 3529227.

It is an arithmetic number, because the mean of its divisors is an integer number (34719391392).

Almost surely, 2^442130721188 is an apocalyptic number.

It is an amenable number.

442130721188 is a deficient number, since it is larger than the sum of its proper divisors (391134672220).

442130721188 is a wasteful number, since it uses less digits than its factorization.

442130721188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194243 (or 194241 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The spelling of 442130721188 in words is "four hundred forty-two billion, one hundred thirty million, seven hundred twenty-one thousand, one hundred eighty-eight".