2173861260 has 96 divisors (see below), whose sum is σ = 6795532800. Its totient is φ = 576918720.

The previous prime is 2173861253. The next prime is 2173861301. The reversal of 2173861260 is 621683712.

2173861260 is a `hidden beast` number, since 2 + 1 + 7 + 38 + 612 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104401 + ... + 123479.

It is an arithmetic number, because the mean of its divisors is an integer number (70786800).

Almost surely, 2^2173861260 is an apocalyptic number.

2173861260 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 2173861260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3397766400).

2173861260 is an abundant number, since it is smaller than the sum of its proper divisors (4621671540).

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

2173861260 is a wasteful number, since it uses less digits than its factorization.

2173861260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19308 (or 19300 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2173861260 is about 46624.6850927703. The cubic root of 2173861260 is about 1295.4200294203.

The spelling of 2173861260 in words is "two billion, one hundred seventy-three million, eight hundred sixty-one thousand, two hundred sixty".