442775577244 has 96 divisors (see below), whose sum is σ = 1040844220416. Its totient is φ = 159167047680.

The previous prime is 442775577217. The next prime is 442775577263.

442775577244 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9132972 + ... + 9181324.

It is an arithmetic number, because the mean of its divisors is an integer number (10842127296).

Almost surely, 2^442775577244 is an apocalyptic number.

442775577244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442775577244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520422110208).

442775577244 is an abundant number, since it is smaller than the sum of its proper divisors (598068643172).

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

442775577244 is a wasteful number, since it uses less digits than its factorization.

442775577244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50675 (or 50673 counting only the distinct ones).

The product of its digits is 61465600, while the sum is 58.

The spelling of 442775577244 in words is "four hundred forty-two billion, seven hundred seventy-five million, five hundred seventy-seven thousand, two hundred forty-four".