442256712435644 has 12 divisors (see below), whose sum is σ = 775796381005800. Its totient is φ = 220600603576848.

The previous prime is 442256712435641. The next prime is 442256712435683. The reversal of 442256712435644 is 446534217652244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442256712435641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131938158359 + ... + 131938161710.

It is an arithmetic number, because the mean of its divisors is an integer number (64649698417150).

Almost surely, 2^{442256712435644} is an apocalyptic number.

It is an amenable number.

442256712435644 is a deficient number, since it is larger than the sum of its proper divisors (333539668570156).

442256712435644 is a wasteful number, since it uses less digits than its factorization.

442256712435644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263876320492 (or 263876320490 counting only the distinct ones).

The product of its digits is 154828800, while the sum is 59.

The spelling of 442256712435644 in words is "four hundred forty-two trillion, two hundred fifty-six billion, seven hundred twelve million, four hundred thirty-five thousand, six hundred forty-four".