442231651332512 has 48 divisors (see below), whose sum is σ = 909583238327400. Its totient is φ = 211377368294400.

The previous prime is 442231651332487. The next prime is 442231651332517. The reversal of 442231651332512 is 215233156132244.

It can be written as a sum of positive squares in 4 ways, for example, as 429568899889936 + 12662751442576 = 20726044^2 + 3558476^2 .

It is not an unprimeable number, because it can be changed into a prime (442231651332517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2359028687 + ... + 2359216142.

Almost surely, 2^{442231651332512} is an apocalyptic number.

It is an amenable number.

442231651332512 is an abundant number, since it is smaller than the sum of its proper divisors (467351586994888).

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

442231651332512 is a wasteful number, since it uses less digits than its factorization.

442231651332512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4718244969 (or 4718244961 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 44.

The spelling of 442231651332512 in words is "four hundred forty-two trillion, two hundred thirty-one billion, six hundred fifty-one million, three hundred thirty-two thousand, five hundred twelve".