2102326560 has 72 divisors (see below), whose sum is σ = 7174194300. Its totient is φ = 560620032.

The previous prime is 2102326559. The next prime is 2102326561. The reversal of 2102326560 is 656232012.

2102326560 is a `hidden beast` number, since 2 + 1 + 0 + 2 + 3 + 2 + 656 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (2102326559) and next prime (2102326561).

It can be written as a sum of positive squares in 2 ways, for example, as 2013137424 + 89189136 = 44868^2 + 9444^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (2102326561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 728535 + ... + 731414.

Almost surely, 2^2102326560 is an apocalyptic number.

2102326560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102326560 is an abundant number, since it is smaller than the sum of its proper divisors (5071867740).

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

2102326560 is a wasteful number, since it uses less digits than its factorization.

2102326560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459970 (or 1459959 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2102326560 is about 45851.1347733074. The cubic root of 2102326560 is about 1281.0519022385.

Adding to 2102326560 its reverse (656232012), we get a palindrome (2758558572).

The spelling of 2102326560 in words is "two billion, one hundred two million, three hundred twenty-six thousand, five hundred sixty".