860711040 has 192 divisors, whose sum is σ = 3396893760. Its totient is φ = 196724736.

The previous prime is 860711029. The next prime is 860711051. The reversal of 860711040 is 40117068.

It is a happy number.

860711040 is a `hidden beast` number, since 8 + 607 + 1 + 10 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (860711029) and next prime (860711051).

It is a tau number, because it is divible by the number of its divisors (192).

It is a junction number, because it is equal to n+sod(n) for n = 860710995 and 860711013.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29647 + ... + 50993.

It is an arithmetic number, because the mean of its divisors is an integer number (17692155).

Almost surely, 2^860711040 is an apocalyptic number.

860711040 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 860711040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1698446880).

860711040 is an abundant number, since it is smaller than the sum of its proper divisors (2536182720).

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

860711040 is a wasteful number, since it uses less digits than its factorization.

860711040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21379 (or 21364 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 860711040 is about 29337.8772238211. The cubic root of 860711040 is about 951.2305530907.

The spelling of 860711040 in words is "eight hundred sixty million, seven hundred eleven thousand, forty".