44043142221 has 72 divisors (see below), whose sum is σ = 73638766656. Its totient is φ = 25291918080.

The previous prime is 44043142219. The next prime is 44043142229. The reversal of 44043142221 is 12224134044.

44043142221 is a `hidden beast` number, since 4 + 4 + 0 + 431 + 4 + 2 + 221 = 666.

It is not a de Polignac number, because 44043142221 - 2¹ = 44043142219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44043142229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1418950 + ... + 1449656.

It is an arithmetic number, because the mean of its divisors is an integer number (1022760648).

Almost surely, 2^44043142221 is an apocalyptic number.

44043142221 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

44043142221 is a deficient number, since it is larger than the sum of its proper divisors (29595624435).

44043142221 is a wasteful number, since it uses less digits than its factorization.

44043142221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30803 (or 30787 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 44043142221 its reverse (12224134044), we get a palindrome (56267276265).

The spelling of 44043142221 in words is "forty-four billion, forty-three million, one hundred forty-two thousand, two hundred twenty-one".