2162403120 has 80 divisors (see below), whose sum is σ = 6742327392. Its totient is φ = 573296640.

The previous prime is 2162403097. The next prime is 2162403163. The reversal of 2162403120 is 213042612.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15480 + ... + 67560.

Almost surely, 2^2162403120 is an apocalyptic number.

2162403120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2162403120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3371163696).

2162403120 is an abundant number, since it is smaller than the sum of its proper divisors (4579924272).

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

2162403120 is a wasteful number, since it uses less digits than its factorization.

2162403120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52270 (or 52264 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2162403120 is about 46501.6464224655. The cubic root of 2162403120 is about 1293.1400220046.

Adding to 2162403120 its reverse (213042612), we get a palindrome (2375445732).

The spelling of 2162403120 in words is "two billion, one hundred sixty-two million, four hundred three thousand, one hundred twenty".