2180258636 has 12 divisors (see below), whose sum is σ = 4039891128. Its totient is φ = 1026004032.

The previous prime is 2180258629. The next prime is 2180258651. The reversal of 2180258636 is 6368520812.

It is a junction number, because it is equal to n+sod(n) for n = 2180258593 and 2180258602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16031246 + ... + 16031381.

It is an arithmetic number, because the mean of its divisors is an integer number (336657594).

Almost surely, 2^2180258636 is an apocalyptic number.

It is an amenable number.

2180258636 is a deficient number, since it is larger than the sum of its proper divisors (1859632492).

2180258636 is a wasteful number, since it uses less digits than its factorization.

2180258636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32062648 (or 32062646 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 2180258636 is about 46693.2397248253. The cubic root of 2180258636 is about 1296.6895328260.

The spelling of 2180258636 in words is "two billion, one hundred eighty million, two hundred fifty-eight thousand, six hundred thirty-six".