80490012 has 24 divisors (see below), whose sum is σ = 193869312. Its totient is φ = 25964400.

The previous prime is 80489989. The next prime is 80490017. The reversal of 80490012 is 21009408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80490017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107814 + ... + 108557.

It is an arithmetic number, because the mean of its divisors is an integer number (8077888).

Almost surely, 2^80490012 is an apocalyptic number.

It is an amenable number.

80490012 is an abundant number, since it is smaller than the sum of its proper divisors (113379300).

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

80490012 is a wasteful number, since it uses less digits than its factorization.

80490012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216409 (or 216407 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 80490012 is about 8971.6225957181. The cubic root of 80490012 is about 431.7648969382.

The spelling of 80490012 in words is "eighty million, four hundred ninety thousand, twelve".