442662012 has 72 divisors (see below), whose sum is σ = 1207772384. Its totient is φ = 135893376.

The previous prime is 442661993. The next prime is 442662013. The reversal of 442662012 is 210266244.

442662012 is a `hidden beast` number, since 4 + 4 + 26 + 620 + 12 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442662013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286113 + ... + 287655.

Almost surely, 2^442662012 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 442662012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (603886192).

442662012 is an abundant number, since it is smaller than the sum of its proper divisors (765110372).

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

442662012 is a wasteful number, since it uses less digits than its factorization.

442662012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179 (or 2174 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 442662012 is about 21039.5345005540. The cubic root of 442662012 is about 762.1212736073.

The spelling of 442662012 in words is "four hundred forty-two million, six hundred sixty-two thousand, twelve".