44158028 has 6 divisors (see below), whose sum is σ = 77276556. Its totient is φ = 22079012.

The previous prime is 44158021. The next prime is 44158111. The reversal of 44158028 is 82085144.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 44157985 and 44158003.

It is not an unprimeable number, because it can be changed into a prime (44158021) 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 as a sum of consecutive naturals, namely, 5519750 + ... + 5519757.

It is an arithmetic number, because the mean of its divisors is an integer number (12879426).

Almost surely, 2^44158028 is an apocalyptic number.

It is an amenable number.

44158028 is a deficient number, since it is larger than the sum of its proper divisors (33118528).

44158028 is a wasteful number, since it uses less digits than its factorization.

44158028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11039511 (or 11039509 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 44158028 is about 6645.1507131140. The cubic root of 44158028 is about 353.4569754385.

The spelling of 44158028 in words is "forty-four million, one hundred fifty-eight thousand, twenty-eight".