80480444 has 24 divisors (see below), whose sum is σ = 154761600. Its totient is φ = 36316080.

The previous prime is 80480443. The next prime is 80480453. The reversal of 80480444 is 44408408.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 80480444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80480441) 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 7 ways as a sum of consecutive naturals, for example, 464 + ... + 12695.

It is an arithmetic number, because the mean of its divisors is an integer number (6448400).

Almost surely, 2^80480444 is an apocalyptic number.

It is an amenable number.

80480444 is a deficient number, since it is larger than the sum of its proper divisors (74281156).

80480444 is a wasteful number, since it uses less digits than its factorization.

80480444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13313 (or 13311 counting only the distinct ones).

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

The square root of 80480444 is about 8971.0893429951. The cubic root of 80480444 is about 431.7477880236.

Subtracting from 80480444 its reverse (44408408), we obtain a square (36072036 = 6006²).

The spelling of 80480444 in words is "eighty million, four hundred eighty thousand, four hundred forty-four".