2162798940 has 24 divisors (see below), whose sum is σ = 6055837200. Its totient is φ = 576746368.

The previous prime is 2162798903. The next prime is 2162798941. The reversal of 2162798940 is 498972612.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2162798940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162798941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18023265 + ... + 18023384.

It is an arithmetic number, because the mean of its divisors is an integer number (252326550).

Almost surely, 2^2162798940 is an apocalyptic number.

2162798940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2162798940 is an abundant number, since it is smaller than the sum of its proper divisors (3893038260).

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

2162798940 is a wasteful number, since it uses less digits than its factorization.

2162798940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36046661 (or 36046659 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 2162798940 is about 46505.9022060641. The cubic root of 2162798940 is about 1293.2189187115.

The spelling of 2162798940 in words is "two billion, one hundred sixty-two million, seven hundred ninety-eight thousand, nine hundred forty".