44340100320421 has 8 divisors (see below), whose sum is σ = 44819647208280. Its totient is φ = 43861011237888.

The previous prime is 44340100320413. The next prime is 44340100320427. The reversal of 44340100320421 is 12402300104344.

It can be written as a sum of positive squares in 4 ways, for example, as 4780843472196 + 39559256848225 = 2186514^2 + 6289615^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44340100320421 - 2³ = 44340100320413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44340100320421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44340100320427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114256576 + ... + 114643993.

It is an arithmetic number, because the mean of its divisors is an integer number (5602455901035).

Almost surely, 2^{44340100320421} is an apocalyptic number.

It is an amenable number.

44340100320421 is a deficient number, since it is larger than the sum of its proper divisors (479546887859).

44340100320421 is a wasteful number, since it uses less digits than its factorization.

44340100320421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228902663.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 44340100320421 its reverse (12402300104344), we get a palindrome (56742400424765).

The spelling of 44340100320421 in words is "forty-four trillion, three hundred forty billion, one hundred million, three hundred twenty thousand, four hundred twenty-one".