44201421021 has 8 divisors (see below), whose sum is σ = 60836364544. Its totient is φ = 28517045760.

The previous prime is 44201421007. The next prime is 44201421031. The reversal of 44201421021 is 12012410244.

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

It is not a de Polignac number, because 44201421021 - 2⁶ = 44201420957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44201421031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237641956 + ... + 237642141.

It is an arithmetic number, because the mean of its divisors is an integer number (7604545568).

Almost surely, 2^44201421021 is an apocalyptic number.

It is an amenable number.

44201421021 is a deficient number, since it is larger than the sum of its proper divisors (16634943523).

44201421021 is a wasteful number, since it uses less digits than its factorization.

44201421021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475284131.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 44201421021 its reverse (12012410244), we get a palindrome (56213831265).

The spelling of 44201421021 in words is "forty-four billion, two hundred one million, four hundred twenty-one thousand, twenty-one".