80440448 has 32 divisors (see below), whose sum is σ = 174823920. Its totient is φ = 36563200.

The previous prime is 80440441. The next prime is 80440457. The reversal of 80440448 is 84404408.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (80440441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27158 + ... + 29973.

Almost surely, 2^80440448 is an apocalyptic number.

80440448 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

80440448 is an abundant number, since it is smaller than the sum of its proper divisors (94383472).

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

80440448 is a wasteful number, since it uses less digits than its factorization.

80440448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57156 (or 57144 counting only the distinct ones).

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

The square root of 80440448 is about 8968.8599052499. The cubic root of 80440448 is about 431.6762549280.

The spelling of 80440448 in words is "eighty million, four hundred forty thousand, four hundred forty-eight".