44128979 has 2 divisors, whose sum is σ = 44128980. Its totient is φ = 44128978.

The previous prime is 44128969. The next prime is 44129003. The reversal of 44128979 is 97982144.

44128979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44128979 - 2¹⁶ = 44063443 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (44128919) 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 as a sum of consecutive naturals, namely, 22064489 + 22064490.

It is an arithmetic number, because the mean of its divisors is an integer number (22064490).

Almost surely, 2^44128979 is an apocalyptic number.

44128979 is a deficient number, since it is larger than the sum of its proper divisors (1).

44128979 is an equidigital number, since it uses as much as digits as its factorization.

44128979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 44.

The square root of 44128979 is about 6642.9646243225. The cubic root of 44128979 is about 353.3794521700.

The spelling of 44128979 in words is "forty-four million, one hundred twenty-eight thousand, nine hundred seventy-nine".