80518044 has 12 divisors (see below), whose sum is σ = 187875464. Its totient is φ = 26839344.

The previous prime is 80518027. The next prime is 80518049. The reversal of 80518044 is 44081508.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80518049) 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, 3354907 + ... + 3354930.

Almost surely, 2^80518044 is an apocalyptic number.

It is an amenable number.

80518044 is an abundant number, since it is smaller than the sum of its proper divisors (107357420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80518044 is a wasteful number, since it uses less digits than its factorization.

80518044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6709844 (or 6709842 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 80518044 is about 8973.1847189278. The cubic root of 80518044 is about 431.8150142489.

The spelling of 80518044 in words is "eighty million, five hundred eighteen thousand, forty-four".