442130721186 has 64 divisors (see below), whose sum is σ = 1103799591936. Its totient is φ = 114699172800.

The previous prime is 442130721161. The next prime is 442130721203. The reversal of 442130721186 is 681127031244.

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 31 ways as a sum of consecutive naturals, for example, 203520 + ... + 962123.

It is an arithmetic number, because the mean of its divisors is an integer number (17246868624).

Almost surely, 2^442130721186 is an apocalyptic number.

442130721186 is an abundant number, since it is smaller than the sum of its proper divisors (661668870750).

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

442130721186 is a wasteful number, since it uses less digits than its factorization.

442130721186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166487.

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 442130721186 in words is "four hundred forty-two billion, one hundred thirty million, seven hundred twenty-one thousand, one hundred eighty-six".