442086612 has 96 divisors (see below), whose sum is σ = 1168763904. Its totient is φ = 128889600.

The previous prime is 442086599. The next prime is 442086637. The reversal of 442086612 is 216680244.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 402448 + ... + 403544.

It is an arithmetic number, because the mean of its divisors is an integer number (12174624).

Almost surely, 2^442086612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442086612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (584381952).

442086612 is an abundant number, since it is smaller than the sum of its proper divisors (726677292).

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

442086612 is a wasteful number, since it uses less digits than its factorization.

442086612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229 (or 1227 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 442086612 is about 21025.8557970894. The cubic root of 442086612 is about 761.7909126596.

The spelling of 442086612 in words is "four hundred forty-two million, eighty-six thousand, six hundred twelve".