44309860393 has 8 divisors (see below), whose sum is σ = 44430309000. Its totient is φ = 44189576448.

The previous prime is 44309860373. The next prime is 44309860457. The reversal of 44309860393 is 39306890344.

It can be written as a sum of positive squares in 4 ways, for example, as 30338064 + 44279522329 = 5508^2 + 210427^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44309860393 is a prime.

It is a super-4 number, since 4×44309860393⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44309860303) 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 7 ways as a sum of consecutive naturals, for example, 507633 + ... + 588481.

It is an arithmetic number, because the mean of its divisors is an integer number (5553788625).

Almost surely, 2^44309860393 is an apocalyptic number.

It is an amenable number.

44309860393 is a deficient number, since it is larger than the sum of its proper divisors (120448607).

44309860393 is an equidigital number, since it uses as much as digits as its factorization.

44309860393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82331.

The product of its (nonzero) digits is 1679616, while the sum is 49.

The spelling of 44309860393 in words is "forty-four billion, three hundred nine million, eight hundred sixty thousand, three hundred ninety-three".