44142221044 has 24 divisors (see below), whose sum is σ = 77566053600. Its totient is φ = 21980556000.

The previous prime is 44142220981. The next prime is 44142221089. The reversal of 44142221044 is 44012224144.

It is a happy number.

44142221044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3491767 + ... + 3504385.

It is an arithmetic number, because the mean of its divisors is an integer number (3231918900).

Almost surely, 2^44142221044 is an apocalyptic number.

It is an amenable number.

44142221044 is a deficient number, since it is larger than the sum of its proper divisors (33423832556).

44142221044 is a wasteful number, since it uses less digits than its factorization.

44142221044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16143 (or 16141 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 44142221044 its reverse (44012224144), we get a palindrome (88154445188).

The spelling of 44142221044 in words is "forty-four billion, one hundred forty-two million, two hundred twenty-one thousand, forty-four".