2100440560 has 20 divisors (see below), whose sum is σ = 4883524488. Its totient is φ = 840176192.

The previous prime is 2100440549. The next prime is 2100440591. The reversal of 2100440560 is 650440012.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×2100440560² = 8823701092186227200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13127674 + ... + 13127833.

Almost surely, 2^2100440560 is an apocalyptic number.

2100440560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100440560 is an abundant number, since it is smaller than the sum of its proper divisors (2783083928).

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

2100440560 is a wasteful number, since it uses less digits than its factorization.

2100440560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26255520 (or 26255514 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2100440560 is about 45830.5636011603. The cubic root of 2100440560 is about 1280.6687098302.

Adding to 2100440560 its reverse (650440012), we get a palindrome (2750880572).

The spelling of 2100440560 in words is "two billion, one hundred million, four hundred forty thousand, five hundred sixty".