442738837244 has 72 divisors (see below), whose sum is σ = 858621608208. Its totient is φ = 198086400000.

The previous prime is 442738837237. The next prime is 442738837271.

442738837244 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 442738837244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145588364 + ... + 145591404.

It is an arithmetic number, because the mean of its divisors is an integer number (11925300114).

Almost surely, 2^442738837244 is an apocalyptic number.

442738837244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

442738837244 is a deficient number, since it is larger than the sum of its proper divisors (415882770964).

442738837244 is a wasteful number, since it uses less digits than its factorization.

442738837244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3519 (or 3336 counting only the distinct ones).

The product of its digits is 28901376, while the sum is 56.

The spelling of 442738837244 in words is "four hundred forty-two billion, seven hundred thirty-eight million, eight hundred thirty-seven thousand, two hundred forty-four".