42442200444 has 72 divisors (see below), whose sum is σ = 115638703488. Its totient is φ = 12080191200.

The previous prime is 42442200439. The next prime is 42442200457. The reversal of 42442200444 is 44400224424.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17419 + ... + 291869.

It is an arithmetic number, because the mean of its divisors is an integer number (1606093104).

Almost surely, 2^42442200444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42442200444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57819351744).

42442200444 is an abundant number, since it is smaller than the sum of its proper divisors (73196503044).

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

42442200444 is a wasteful number, since it uses less digits than its factorization.

42442200444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274735 (or 274726 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 42442200444 its reverse (44400224424), we get a palindrome (86842424868).

The spelling of 42442200444 in words is "forty-two billion, four hundred forty-two million, two hundred thousand, four hundred forty-four".