80540366 has 8 divisors (see below), whose sum is σ = 124976520. Its totient is φ = 38881528.

The previous prime is 80540363. The next prime is 80540399. The reversal of 80540366 is 66304508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80540363) 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, 694256 + ... + 694371.

It is an arithmetic number, because the mean of its divisors is an integer number (15622065).

Almost surely, 2^80540366 is an apocalyptic number.

80540366 is a deficient number, since it is larger than the sum of its proper divisors (44436154).

80540366 is a wasteful number, since it uses less digits than its factorization.

80540366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388658.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 80540366 is about 8974.4284497677. The cubic root of 80540366 is about 431.8549145564.

The spelling of 80540366 in words is "eighty million, five hundred forty thousand, three hundred sixty-six".