2173490560 has 128 divisors (see below), whose sum is σ = 5587315200. Its totient is φ = 805902336.

The previous prime is 2173490549. The next prime is 2173490567. The reversal of 2173490560 is 650943712.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×2173490560² = 9448122428818227200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173490567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569619 + ... + 573421.

It is an arithmetic number, because the mean of its divisors is an integer number (43650900).

Almost surely, 2^2173490560 is an apocalyptic number.

2173490560 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 2173490560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2793657600).

2173490560 is an abundant number, since it is smaller than the sum of its proper divisors (3413824640).

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

2173490560 is a wasteful number, since it uses less digits than its factorization.

2173490560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888 (or 3876 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 2173490560 is about 46620.7095613098. The cubic root of 2173490560 is about 1295.3463909423.

The spelling of 2173490560 in words is "two billion, one hundred seventy-three million, four hundred ninety thousand, five hundred sixty".