2185967120 has 40 divisors (see below), whose sum is σ = 5084674560. Its totient is φ = 873991040.

The previous prime is 2185967101. The next prime is 2185967129. The reversal of 2185967120 is 217695812.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (2185967129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225575 + ... + 235065.

It is an arithmetic number, because the mean of its divisors is an integer number (127116864).

Almost surely, 2^2185967120 is an apocalyptic number.

2185967120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2185967120 is an abundant number, since it is smaller than the sum of its proper divisors (2898707440).

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

2185967120 is a wasteful number, since it uses less digits than its factorization.

2185967120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12383 (or 12377 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 2185967120 is about 46754.3272863593. The cubic root of 2185967120 is about 1297.8202366906.

The spelling of 2185967120 in words is "two billion, one hundred eighty-five million, nine hundred sixty-seven thousand, one hundred twenty".