80344203466 has 4 divisors (see below), whose sum is σ = 120516305202. Its totient is φ = 40172101732.

The previous prime is 80344203461. The next prime is 80344203481. The reversal of 80344203466 is 66430244308.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 71433787441 + 8910416025 = 267271^2 + 94395^2 .

It is not an unprimeable number, because it can be changed into a prime (80344203461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20086050865 + ... + 20086050868.

Almost surely, 2^80344203466 is an apocalyptic number.

80344203466 is a deficient number, since it is larger than the sum of its proper divisors (40172101736).

80344203466 is a wasteful number, since it uses less digits than its factorization.

80344203466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40172101735.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 80344203466 in words is "eighty billion, three hundred forty-four million, two hundred three thousand, four hundred sixty-six".