80448400 has 30 divisors (see below), whose sum is σ = 193278242. Its totient is φ = 32179200.

The previous prime is 80448377. The next prime is 80448427. The reversal of 80448400 is 484408.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 12616704 + 67831696 = 3552^2 + 8236^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100161 + ... + 100960.

Almost surely, 2^80448400 is an apocalyptic number.

80448400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80448400 is an abundant number, since it is smaller than the sum of its proper divisors (112829842).

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

80448400 is a wasteful number, since it uses less digits than its factorization.

80448400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201139 (or 201128 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 80448400 is about 8969.3032059352. The cubic root of 80448400 is about 431.6904790178.

The spelling of 80448400 in words is "eighty million, four hundred forty-eight thousand, four hundred".