2104340560 has 80 divisors (see below), whose sum is σ = 5602177152. Its totient is φ = 720115200.

The previous prime is 2104340549. The next prime is 2104340561. The reversal of 2104340560 is 650434012.

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

It is a super-2 number, since 2×2104340560² = 8856498384922227200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104340561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316470 + ... + 323050.

Almost surely, 2^2104340560 is an apocalyptic number.

2104340560 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 2104340560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2801088576).

2104340560 is an abundant number, since it is smaller than the sum of its proper divisors (3497836592).

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

2104340560 is a wasteful number, since it uses less digits than its factorization.

2104340560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7172 (or 7166 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2104340560 is about 45873.0918949225. The cubic root of 2104340560 is about 1281.4608483933.

Adding to 2104340560 its reverse (650434012), we get a palindrome (2754774572).

The spelling of 2104340560 in words is "two billion, one hundred four million, three hundred forty thousand, five hundred sixty".