44121331444 has 48 divisors (see below), whose sum is σ = 78474432960. Its totient is φ = 21703576320.

The previous prime is 44121331391. The next prime is 44121331453. The reversal of 44121331444 is 44413312144.

44121331444 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 15 ways as a sum of consecutive naturals, for example, 53740554 + ... + 53741374.

It is an arithmetic number, because the mean of its divisors is an integer number (1634884020).

Almost surely, 2^44121331444 is an apocalyptic number.

It is an amenable number.

44121331444 is a deficient number, since it is larger than the sum of its proper divisors (34353101516).

44121331444 is a wasteful number, since it uses less digits than its factorization.

44121331444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648 (or 1646 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

Adding to 44121331444 its reverse (44413312144), we get a palindrome (88534643588).

The spelling of 44121331444 in words is "forty-four billion, one hundred twenty-one million, three hundred thirty-one thousand, four hundred forty-four".