44121006345 has 64 divisors (see below), whose sum is σ = 78309310464. Its totient is φ = 21074860800.

The previous prime is 44121006343. The next prime is 44121006403. The reversal of 44121006345 is 54360012144.

It is not a de Polignac number, because 44121006345 - 2¹ = 44121006343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44121006341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1248712 + ... + 1283558.

It is an arithmetic number, because the mean of its divisors is an integer number (1223582976).

Almost surely, 2^44121006345 is an apocalyptic number.

It is an amenable number.

44121006345 is a deficient number, since it is larger than the sum of its proper divisors (34188304119).

44121006345 is a wasteful number, since it uses less digits than its factorization.

44121006345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35062.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 44121006345 its reverse (54360012144), we get a palindrome (98481018489).

The spelling of 44121006345 in words is "forty-four billion, one hundred twenty-one million, six thousand, three hundred forty-five".