44258820321 has 16 divisors (see below), whose sum is σ = 60663849344. Its totient is φ = 28681340544.

The previous prime is 44258820301. The next prime is 44258820341. The reversal of 44258820321 is 12302885244.

It is an interprime number because it is at equal distance from previous prime (44258820301) and next prime (44258820341).

It is a de Polignac number, because none of the positive numbers 2^k-44258820321 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 44258820321.

It is not an unprimeable number, because it can be changed into a prime (44258820301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69556 + ... + 305541.

It is an arithmetic number, because the mean of its divisors is an integer number (3791490584).

Almost surely, 2^44258820321 is an apocalyptic number.

It is an amenable number.

44258820321 is a deficient number, since it is larger than the sum of its proper divisors (16405029023).

44258820321 is a wasteful number, since it uses less digits than its factorization.

44258820321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376200.

The product of its (nonzero) digits is 122880, while the sum is 39.

The spelling of 44258820321 in words is "forty-four billion, two hundred fifty-eight million, eight hundred twenty thousand, three hundred twenty-one".