80489944 has 16 divisors (see below), whose sum is σ = 154130400. Its totient is φ = 39388512.

The previous prime is 80489891. The next prime is 80489953. The reversal of 80489944 is 44998408.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 80489894 and 80489903.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 106659 + ... + 107410.

It is an arithmetic number, because the mean of its divisors is an integer number (9633150).

Almost surely, 2^80489944 is an apocalyptic number.

It is an amenable number.

80489944 is a deficient number, since it is larger than the sum of its proper divisors (73640456).

80489944 is a wasteful number, since it uses less digits than its factorization.

80489944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214122 (or 214118 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 80489944 is about 8971.6188059904. The cubic root of 80489944 is about 431.7647753496.

The spelling of 80489944 in words is "eighty million, four hundred eighty-nine thousand, nine hundred forty-four".