442723805332 has 12 divisors (see below), whose sum is σ = 774781187796. Its totient is φ = 221357751680.

The previous prime is 442723805327. The next prime is 442723805353. The reversal of 442723805332 is 233508327244.

It can be written as a sum of positive squares in 2 ways, for example, as 426939400836 + 15784404496 = 653406^2 + 125636^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791269 + ... + 1229452.

It is an arithmetic number, because the mean of its divisors is an integer number (64565098983).

Almost surely, 2^442723805332 is an apocalyptic number.

It is an amenable number.

442723805332 is a deficient number, since it is larger than the sum of its proper divisors (332057382464).

442723805332 is a wasteful number, since it uses less digits than its factorization.

442723805332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075498 (or 2075496 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 43.

The spelling of 442723805332 in words is "four hundred forty-two billion, seven hundred twenty-three million, eight hundred five thousand, three hundred thirty-two".