2180046474 has 20 divisors (see below), whose sum is σ = 4884919314. Its totient is φ = 726682104.

The previous prime is 2180046461. The next prime is 2180046481. The reversal of 2180046474 is 4746400812.

2180046474 is a `hidden beast` number, since 2 + 1 + 8 + 0 + 0 + 4 + 647 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2177622225 + 2424249 = 46665^2 + 1557^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6728377 + ... + 6728700.

Almost surely, 2^2180046474 is an apocalyptic number.

2180046474 is an abundant number, since it is smaller than the sum of its proper divisors (2704872840).

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

2180046474 is a wasteful number, since it uses less digits than its factorization.

2180046474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13457091 (or 13457082 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 2180046474 is about 46690.9677989223. The cubic root of 2180046474 is about 1296.6474709708.

The spelling of 2180046474 in words is "two billion, one hundred eighty million, forty-six thousand, four hundred seventy-four".