44720530221 has 16 divisors (see below), whose sum is σ = 62995910400. Its totient is φ = 28173165888.

The previous prime is 44720530213. The next prime is 44720530229. The reversal of 44720530221 is 12203502744.

It is an interprime number because it is at equal distance from previous prime (44720530213) and next prime (44720530229).

It is not a de Polignac number, because 44720530221 - 2³ = 44720530213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44720530229) 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 15 ways as a sum of consecutive naturals, for example, 5464306 + ... + 5472483.

It is an arithmetic number, because the mean of its divisors is an integer number (3937244400).

Almost surely, 2^44720530221 is an apocalyptic number.

It is an amenable number.

44720530221 is a deficient number, since it is larger than the sum of its proper divisors (18275380179).

44720530221 is a wasteful number, since it uses less digits than its factorization.

44720530221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10936868.

The product of its (nonzero) digits is 13440, while the sum is 30.

The spelling of 44720530221 in words is "forty-four billion, seven hundred twenty million, five hundred thirty thousand, two hundred twenty-one".