442046680 has 16 divisors (see below), whose sum is σ = 994605120. Its totient is φ = 176818656.

The previous prime is 442046677. The next prime is 442046711. The reversal of 442046680 is 86640244.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5525544 + ... + 5525623.

It is an arithmetic number, because the mean of its divisors is an integer number (62162820).

Almost surely, 2^442046680 is an apocalyptic number.

442046680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442046680 is an abundant number, since it is smaller than the sum of its proper divisors (552558440).

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

442046680 is a wasteful number, since it uses less digits than its factorization.

442046680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11051178 (or 11051174 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 442046680 is about 21024.9061829060. The cubic root of 442046680 is about 761.7679754116.

The spelling of 442046680 in words is "four hundred forty-two million, forty-six thousand, six hundred eighty".