2170540000 has 120 divisors (see below), whose sum is σ = 5472160848. Its totient is φ = 846720000.

The previous prime is 2170539983. The next prime is 2170540013. The reversal of 2170540000 is 450712.

It is a super-2 number, since 2×2170540000² = 9422487783200000000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2170540000.

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 19 ways as a sum of consecutive naturals, for example, 818677 + ... + 821323.

Almost surely, 2^2170540000 is an apocalyptic number.

2170540000 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 2170540000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2736080424).

2170540000 is an abundant number, since it is smaller than the sum of its proper divisors (3301620848).

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

2170540000 is an equidigital number, since it uses as much as digits as its factorization.

2170540000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718 (or 2695 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2170540000 is about 46589.0545085431. The cubic root of 2170540000 is about 1294.7599720111.

Adding to 2170540000 its reverse (450712), we get a palindrome (2170990712).

The spelling of 2170540000 in words is "two billion, one hundred seventy million, five hundred forty thousand".