44565116401 has 4 divisors (see below), whose sum is σ = 47993202292. Its totient is φ = 41137030512.

The previous prime is 44565116389. The next prime is 44565116441. The reversal of 44565116401 is 10461156544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21346671025 + 23218445376 = 146105^2 + 152376^2 .

It is a cyclic number.

It is not a de Polignac number, because 44565116401 - 2¹⁷ = 44564985329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44565116441) 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 3 ways as a sum of consecutive naturals, for example, 1714042926 + ... + 1714042951.

It is an arithmetic number, because the mean of its divisors is an integer number (11998300573).

Almost surely, 2^44565116401 is an apocalyptic number.

It is an amenable number.

44565116401 is a deficient number, since it is larger than the sum of its proper divisors (3428085891).

44565116401 is a wasteful number, since it uses less digits than its factorization.

44565116401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3428085890.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 44565116401 in words is "forty-four billion, five hundred sixty-five million, one hundred sixteen thousand, four hundred one".