41439128 has 8 divisors (see below), whose sum is σ = 77698380. Its totient is φ = 20719560.

The previous prime is 41439121. The next prime is 41439131. The reversal of 41439128 is 82193414.

It is a happy number.

41439128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 41439094 and 41439103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41439121) 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, 2589938 + ... + 2589953.

Almost surely, 2^41439128 is an apocalyptic number.

It is an amenable number.

41439128 is a deficient number, since it is larger than the sum of its proper divisors (36259252).

41439128 is a wasteful number, since it uses less digits than its factorization.

41439128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5179897 (or 5179893 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 41439128 is about 6437.3230461116. The cubic root of 41439128 is about 346.0484189426.

The spelling of 41439128 in words is "forty-one million, four hundred thirty-nine thousand, one hundred twenty-eight".