44520213 has 16 divisors (see below), whose sum is σ = 61748480. Its totient is φ = 28506816.

The previous prime is 44520209. The next prime is 44520241. The reversal of 44520213 is 31202544.

44520213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44520213 - 2² = 44520209 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 44520213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44520253) 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 15 ways as a sum of consecutive naturals, for example, 6231 + ... + 11307.

It is an arithmetic number, because the mean of its divisors is an integer number (3859280).

Almost surely, 2^44520213 is an apocalyptic number.

It is an amenable number.

44520213 is a deficient number, since it is larger than the sum of its proper divisors (17228267).

44520213 is a wasteful number, since it uses less digits than its factorization.

44520213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5196.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 44520213 is about 6672.3468884644. The cubic root of 44520213 is about 354.4206990451.

Adding to 44520213 its reverse (31202544), we get a palindrome (75722757).

The spelling of 44520213 in words is "forty-four million, five hundred twenty thousand, two hundred thirteen".