44136320321 has 8 divisors (see below), whose sum is σ = 44698828800. Its totient is φ = 43573907520.

The previous prime is 44136320303. The next prime is 44136320323. The reversal of 44136320321 is 12302363144.

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-44136320321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44136320323) 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, 1604201 + ... + 1631481.

It is an arithmetic number, because the mean of its divisors is an integer number (5587353600).

Almost surely, 2^44136320321 is an apocalyptic number.

It is an amenable number.

44136320321 is a deficient number, since it is larger than the sum of its proper divisors (562508479).

44136320321 is a wasteful number, since it uses less digits than its factorization.

44136320321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47839.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 44136320321 its reverse (12302363144), we get a palindrome (56438683465).

The spelling of 44136320321 in words is "forty-four billion, one hundred thirty-six million, three hundred twenty thousand, three hundred twenty-one".