2180240671 has 8 divisors (see below), whose sum is σ = 2622846080. Its totient is φ = 1770420888.

The previous prime is 2180240669. The next prime is 2180240693. The reversal of 2180240671 is 1760420812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2180240671 - 2¹ = 2180240669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2180240471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8196261 + ... + 8196526.

It is an arithmetic number, because the mean of its divisors is an integer number (327855760).

Almost surely, 2^2180240671 is an apocalyptic number.

2180240671 is a deficient number, since it is larger than the sum of its proper divisors (442605409).

2180240671 is a wasteful number, since it uses less digits than its factorization.

2180240671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16392813.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 2180240671 is about 46693.0473518274. The cubic root of 2180240671 is about 1296.6859713079.

The spelling of 2180240671 in words is "two billion, one hundred eighty million, two hundred forty thousand, six hundred seventy-one".