80444039 has 16 divisors (see below), whose sum is σ = 89827584. Its totient is φ = 71539200.

The previous prime is 80443997. The next prime is 80444047. The reversal of 80444039 is 93044408.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80444039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80443996 and 80444014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80444059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174269 + ... + 174729.

It is an arithmetic number, because the mean of its divisors is an integer number (5614224).

Almost surely, 2^80444039 is an apocalyptic number.

80444039 is a deficient number, since it is larger than the sum of its proper divisors (9383545).

80444039 is a wasteful number, since it uses less digits than its factorization.

80444039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 80444039 is about 8969.0600956845. The cubic root of 80444039 is about 431.6826784226.

The spelling of 80444039 in words is "eighty million, four hundred forty-four thousand, thirty-nine".