44240121 has 16 divisors (see below), whose sum is σ = 66193920. Its totient is φ = 29199600.

The previous prime is 44240111. The next prime is 44240143. The reversal of 44240121 is 12104244.

44240121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44240121 - 2⁵ = 44240089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44240094 and 44240103.

It is not an unprimeable number, because it can be changed into a prime (44240111) 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 15 ways as a sum of consecutive naturals, for example, 5385 + ... + 10838.

It is an arithmetic number, because the mean of its divisors is an integer number (4137120).

Almost surely, 2^44240121 is an apocalyptic number.

It is an amenable number.

44240121 is a deficient number, since it is larger than the sum of its proper divisors (21953799).

44240121 is a wasteful number, since it uses less digits than its factorization.

44240121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16333 (or 16327 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 44240121 is about 6651.3247552649. The cubic root of 44240121 is about 353.6758739581.

Adding to 44240121 its reverse (12104244), we get a palindrome (56344365).

The spelling of 44240121 in words is "forty-four million, two hundred forty thousand, one hundred twenty-one".