2804406046866 has 12 divisors (see below), whose sum is σ = 6076213101582. Its totient is φ = 934802015616.

The previous prime is 2804406046781. The next prime is 2804406046873. The reversal of 2804406046866 is 6686406044082.

2804406046866 is a `hidden beast` number, since 2 + 80 + 4 + 40 + 6 + 0 + 468 + 66 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2609016410025 + 195389636841 = 1615245^2 + 442029^2 .

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77900167951 + ... + 77900167986.

Almost surely, 2^{2804406046866} is an apocalyptic number.

2804406046866 is an abundant number, since it is smaller than the sum of its proper divisors (3271807054716).

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

2804406046866 is a wasteful number, since it uses less digits than its factorization.

2804406046866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155800335945 (or 155800335942 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 54.

The spelling of 2804406046866 in words is "two trillion, eight hundred four billion, four hundred six million, forty-six thousand, eight hundred sixty-six".