2686382172 has 240 divisors, whose sum is σ = 7625032800. Its totient is φ = 823011840.

The previous prime is 2686382161. The next prime is 2686382189. The reversal of 2686382172 is 2712836862.

2686382172 is a `hidden beast` number, since 2 + 6 + 8 + 638 + 2 + 1 + 7 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 24645654 + ... + 24645762.

It is an arithmetic number, because the mean of its divisors is an integer number (31770970).

Almost surely, 2^2686382172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2686382172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3812516400).

2686382172 is an abundant number, since it is smaller than the sum of its proper divisors (4938650628).

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

2686382172 is a wasteful number, since it uses less digits than its factorization.

2686382172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 247 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 2686382172 is about 51830.3209714159. The cubic root of 2686382172 is about 1390.1316529029.

The spelling of 2686382172 in words is "two billion, six hundred eighty-six million, three hundred eighty-two thousand, one hundred seventy-two".