2104440560 has 80 divisors (see below), whose sum is σ = 4963985856. Its totient is φ = 829630464.

The previous prime is 2104440553. The next prime is 2104440577. The reversal of 2104440560 is 650444012.

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

It is a super-2 number, since 2×2104440560² = 8857340141146227200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1720109 + ... + 1721331.

Almost surely, 2^2104440560 is an apocalyptic number.

2104440560 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 2104440560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2481992928).

2104440560 is an abundant number, since it is smaller than the sum of its proper divisors (2859545296).

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

2104440560 is a wasteful number, since it uses less digits than its factorization.

2104440560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530 (or 1524 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2104440560 is about 45874.1818455654. The cubic root of 2104440560 is about 1281.4811467641.

Adding to 2104440560 its reverse (650444012), we get a palindrome (2754884572).

The spelling of 2104440560 in words is "two billion, one hundred four million, four hundred forty thousand, five hundred sixty".