44216221405 has 8 divisors (see below), whose sum is σ = 53069722200. Its totient is φ = 35366139456.

The previous prime is 44216221391. The next prime is 44216221411. The reversal of 44216221405 is 50412261244.

It can be written as a sum of positive squares in 4 ways, for example, as 22579870756 + 21636350649 = 150266^2 + 147093^2 .

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 44216221405 - 2¹³ = 44216213213 is a prime.

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, 826170 + ... + 878059.

It is an arithmetic number, because the mean of its divisors is an integer number (6633715275).

Almost surely, 2^44216221405 is an apocalyptic number.

It is an amenable number.

44216221405 is a deficient number, since it is larger than the sum of its proper divisors (8853500795).

44216221405 is a wasteful number, since it uses less digits than its factorization.

44216221405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709423.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 44216221405 its reverse (50412261244), we get a palindrome (94628482649).

The spelling of 44216221405 in words is "forty-four billion, two hundred sixteen million, two hundred twenty-one thousand, four hundred five".