80404266 has 16 divisors (see below), whose sum is σ = 165996288. Its totient is φ = 25936800.

The previous prime is 80404243. The next prime is 80404267. The reversal of 80404266 is 66240408.

It is not an unprimeable number, because it can be changed into a prime (80404267) 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, 215955 + ... + 216326.

It is an arithmetic number, because the mean of its divisors is an integer number (10374768).

Almost surely, 2^80404266 is an apocalyptic number.

80404266 is an abundant number, since it is smaller than the sum of its proper divisors (85592022).

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

80404266 is a wasteful number, since it uses less digits than its factorization.

80404266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432317.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 80404266 is about 8966.8425881132. The cubic root of 80404266 is about 431.6115227648.

The spelling of 80404266 in words is "eighty million, four hundred four thousand, two hundred sixty-six".