80490216 has 32 divisors (see below), whose sum is σ = 206136000. Its totient is φ = 26175360.

The previous prime is 80490203. The next prime is 80490217. The reversal of 80490216 is 61209408.

It is not an unprimeable number, because it can be changed into a prime (80490217) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 39916 + ... + 41883.

It is an arithmetic number, because the mean of its divisors is an integer number (6441750).

Almost surely, 2^80490216 is an apocalyptic number.

It is an amenable number.

80490216 is an abundant number, since it is smaller than the sum of its proper divisors (125645784).

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

80490216 is a wasteful number, since it uses less digits than its factorization.

80490216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81849 (or 81845 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 80490216 is about 8971.6339648918. The cubic root of 80490216 is about 431.7652617038.

The spelling of 80490216 in words is "eighty million, four hundred ninety thousand, two hundred sixteen".