44130321 has 12 divisors (see below), whose sum is σ = 65100672. Its totient is φ = 28793976.

The previous prime is 44130313. The next prime is 44130323. The reversal of 44130321 is 12303144.

It is not a de Polignac number, because 44130321 - 2³ = 44130313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44130294 and 44130303.

It is not an unprimeable number, because it can be changed into a prime (44130323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51741 + ... + 52586.

It is an arithmetic number, because the mean of its divisors is an integer number (5425056).

Almost surely, 2^44130321 is an apocalyptic number.

It is an amenable number.

44130321 is a deficient number, since it is larger than the sum of its proper divisors (20970351).

44130321 is a wasteful number, since it uses less digits than its factorization.

44130321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104380 (or 104377 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 44130321 is about 6643.0656326729. The cubic root of 44130321 is about 353.3830343242.

Adding to 44130321 its reverse (12303144), we get a palindrome (56433465).

The spelling of 44130321 in words is "forty-four million, one hundred thirty thousand, three hundred twenty-one".