2845218906 has 32 divisors (see below), whose sum is σ = 6694634880. Its totient is φ = 892617408.

The previous prime is 2845218881. The next prime is 2845218911. The reversal of 2845218906 is 6098125482.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1548766 + ... + 1550601.

It is an arithmetic number, because the mean of its divisors is an integer number (209207340).

Almost surely, 2^2845218906 is an apocalyptic number.

2845218906 is an abundant number, since it is smaller than the sum of its proper divisors (3849415974).

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

2845218906 is a wasteful number, since it uses less digits than its factorization.

2845218906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3099395 (or 3099389 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 2845218906 is about 53340.5934162716. The cubic root of 2845218906 is about 1417.0066724822.

The spelling of 2845218906 in words is "two billion, eight hundred forty-five million, two hundred eighteen thousand, nine hundred six".