80405412 has 48 divisors (see below), whose sum is σ = 191452800. Its totient is φ = 26258688.

The previous prime is 80405389. The next prime is 80405431. The reversal of 80405412 is 21450408.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 230214 + ... + 230562.

It is an arithmetic number, because the mean of its divisors is an integer number (3988600).

Almost surely, 2^80405412 is an apocalyptic number.

It is an amenable number.

80405412 is an abundant number, since it is smaller than the sum of its proper divisors (111047388).

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

80405412 is a wasteful number, since it uses less digits than its factorization.

80405412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 80405412 is about 8966.9064899775. The cubic root of 80405412 is about 431.6135733378.

The spelling of 80405412 in words is "eighty million, four hundred five thousand, four hundred twelve".