44320322545 has 16 divisors (see below), whose sum is σ = 56772074880. Its totient is φ = 33117033600.

The previous prime is 44320322537. The next prime is 44320322567. The reversal of 44320322545 is 54522302344.

It is not a de Polignac number, because 44320322545 - 2³ = 44320322537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44320322545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3278676 + ... + 3292165.

It is an arithmetic number, because the mean of its divisors is an integer number (3548254680).

Almost surely, 2^44320322545 is an apocalyptic number.

It is an amenable number.

44320322545 is a deficient number, since it is larger than the sum of its proper divisors (12451752335).

44320322545 is a wasteful number, since it uses less digits than its factorization.

44320322545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6570936.

The product of its (nonzero) digits is 115200, while the sum is 34.

Adding to 44320322545 its reverse (54522302344), we get a palindrome (98842624889).

The spelling of 44320322545 in words is "forty-four billion, three hundred twenty million, three hundred twenty-two thousand, five hundred forty-five".