80440484 has 12 divisors (see below), whose sum is σ = 141117900. Its totient is φ = 40121088.

The previous prime is 80440457. The next prime is 80440489. The reversal of 80440484 is 48404408.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 65448100 + 14992384 = 8090^2 + 3872^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80440484.

It is not an unprimeable number, because it can be changed into a prime (80440489) 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 3 ways as a sum of consecutive naturals, for example, 22949 + ... + 26220.

It is an arithmetic number, because the mean of its divisors is an integer number (11759825).

Almost surely, 2^80440484 is an apocalyptic number.

It is an amenable number.

80440484 is a deficient number, since it is larger than the sum of its proper divisors (60677416).

80440484 is a wasteful number, since it uses less digits than its factorization.

80440484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49582 (or 49580 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 80440484 is about 8968.8619121938. The cubic root of 80440484 is about 431.6763193249.

The spelling of 80440484 in words is "eighty million, four hundred forty thousand, four hundred eighty-four".