860239134720 has 384 divisors, whose sum is σ = 3408174413280. Its totient is φ = 196623728640.

The previous prime is 860239134719. The next prime is 860239134743. The reversal of 860239134720 is 27431932068.

860239134720 is a `hidden beast` number, since 8 + 602 + 3 + 9 + 1 + 34 + 7 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×860239134720² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10280250 + ... + 10363590.

Almost surely, 2^860239134720 is an apocalyptic number.

860239134720 is a gapful number since it is divisible by the number (80) 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 860239134720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1704087206640).

860239134720 is an abundant number, since it is smaller than the sum of its proper divisors (2547935278560).

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

860239134720 is an equidigital number, since it uses as much as digits as its factorization.

860239134720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83389 (or 83358 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 860239134720 in words is "eight hundred sixty billion, two hundred thirty-nine million, one hundred thirty-four thousand, seven hundred twenty".