44212121444 has 12 divisors (see below), whose sum is σ = 77392383600. Its totient is φ = 22100011848.

The previous prime is 44212121441. The next prime is 44212121461. The reversal of 44212121444 is 44412121244.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (44212121441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1495754 + ... + 1525025.

It is an arithmetic number, because the mean of its divisors is an integer number (6449365300).

Almost surely, 2^44212121444 is an apocalyptic number.

It is an amenable number.

44212121444 is a deficient number, since it is larger than the sum of its proper divisors (33180262156).

44212121444 is a wasteful number, since it uses less digits than its factorization.

44212121444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024442 (or 3024440 counting only the distinct ones).

The product of its digits is 8192, while the sum is 29.

Adding to 44212121444 its reverse (44412121244), we get a palindrome (88624242688).

The spelling of 44212121444 in words is "forty-four billion, two hundred twelve million, one hundred twenty-one thousand, four hundred forty-four".