80306491456 has 21 divisors (see below), whose sum is σ = 159362692831. Its totient is φ = 40152112192.

The previous prime is 80306491439. The next prime is 80306491459. The reversal of 80306491456 is 65419460308.

The square root of 80306491456 is 283384.

It is a perfect power (a square), and thus also a powerful number.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80306491459) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2249361 + ... + 2284783.

Almost surely, 2^80306491456 is an apocalyptic number.

80306491456 is the 283384-th square number.

It is an amenable number.

80306491456 is a deficient number, since it is larger than the sum of its proper divisors (79056201375).

80306491456 is an frugal number, since it uses more digits than its factorization.

80306491456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70858 (or 35425 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 80306491456 in words is "eighty billion, three hundred six million, four hundred ninety-one thousand, four hundred fifty-six".