2182315680 has 432 divisors, whose sum is σ = 8197731360. Its totient is φ = 527109120.

The previous prime is 2182315673. The next prime is 2182315697. The reversal of 2182315680 is 865132812.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 71 ways as a sum of consecutive naturals, for example, 26292919 + ... + 26293001.

It is an arithmetic number, because the mean of its divisors is an integer number (18976230).

Almost surely, 2^2182315680 is an apocalyptic number.

2182315680 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 2182315680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4098865680).

2182315680 is an abundant number, since it is smaller than the sum of its proper divisors (6015415680).

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

2182315680 is a wasteful number, since it uses less digits than its factorization.

2182315680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 2182315680 is about 46715.2617460290. The cubic root of 2182315680 is about 1297.0972075471.

The spelling of 2182315680 in words is "two billion, one hundred eighty-two million, three hundred fifteen thousand, six hundred eighty".