44051641 has 4 divisors (see below), whose sum is σ = 46642932. Its totient is φ = 41460352.

The previous prime is 44051621. The next prime is 44051663. The reversal of 44051641 is 14615044.

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 23765625 + 20286016 = 4875^2 + 4504^2 .

It is a cyclic number.

It is not a de Polignac number, because 44051641 - 2¹³ = 44043449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44051611) 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 3 ways as a sum of consecutive naturals, for example, 1295620 + ... + 1295653.

It is an arithmetic number, because the mean of its divisors is an integer number (11660733).

Almost surely, 2^44051641 is an apocalyptic number.

It is an amenable number.

44051641 is a deficient number, since it is larger than the sum of its proper divisors (2591291).

44051641 is a wasteful number, since it uses less digits than its factorization.

44051641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591290.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 44051641 is about 6637.1410260744. The cubic root of 44051641 is about 353.1728937154.

Adding to 44051641 its reverse (14615044), we get a palindrome (58666685).

The spelling of 44051641 in words is "forty-four million, fifty-one thousand, six hundred forty-one".