80044039 has 4 divisors (see below), whose sum is σ = 80076456. Its totient is φ = 80011624.

The previous prime is 80044033. The next prime is 80044057. The reversal of 80044039 is 93044008.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80044039 - 2⁷ = 80043911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80043998 and 80044016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80044033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12169 + ... + 17554.

It is an arithmetic number, because the mean of its divisors is an integer number (20019114).

Almost surely, 2^80044039 is an apocalyptic number.

80044039 is a deficient number, since it is larger than the sum of its proper divisors (32417).

80044039 is a wasteful number, since it uses less digits than its factorization.

80044039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32416.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 80044039 is about 8946.7334262288. The cubic root of 80044039 is about 430.9659894603.

The spelling of 80044039 in words is "eighty million, forty-four thousand, thirty-nine".