80409412242 has 48 divisors (see below), whose sum is σ = 184621083192. Its totient is φ = 25205637120.

The previous prime is 80409412229. The next prime is 80409412253. The reversal of 80409412242 is 24221490408.

80409412242 is a `hidden beast` number, since 8 + 0 + 409 + 4 + 1 + 2 + 242 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 80401169601 + 8242641 = 283551^2 + 2871^2 .

It is a junction number, because it is equal to n+sod(n) for n = 80409412197 and 80409412206.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 264442 + ... + 480362.

Almost surely, 2^80409412242 is an apocalyptic number.

80409412242 is an abundant number, since it is smaller than the sum of its proper divisors (104211670950).

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

80409412242 is a wasteful number, since it uses less digits than its factorization.

80409412242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217163 (or 217160 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 80409412242 in words is "eighty billion, four hundred nine million, four hundred twelve thousand, two hundred forty-two".