42224440044 has 24 divisors (see below), whose sum is σ = 100382632560. Its totient is φ = 13809250624.

The previous prime is 42224440007. The next prime is 42224440061. The reversal of 42224440044 is 44004442224.

It is a junction number, because it is equal to n+sod(n) for n = 42224439993 and 42224440020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33194679 + ... + 33195950.

It is an arithmetic number, because the mean of its divisors is an integer number (4182609690).

Almost surely, 2^42224440044 is an apocalyptic number.

It is an amenable number.

42224440044 is an abundant number, since it is smaller than the sum of its proper divisors (58158192516).

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

42224440044 is a wasteful number, since it uses less digits than its factorization.

42224440044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66390689 (or 66390687 counting only the distinct ones).

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

Adding to 42224440044 its reverse (44004442224), we get a palindrome (86228882268).

The spelling of 42224440044 in words is "forty-two billion, two hundred twenty-four million, four hundred forty thousand, forty-four".