868368340 has 96 divisors (see below), whose sum is σ = 2128896000. Its totient is φ = 291392640.

The previous prime is 868368331. The next prime is 868368341. The reversal of 868368340 is 43863868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868368341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1977841 + ... + 1978279.

It is an arithmetic number, because the mean of its divisors is an integer number (22176000).

Almost surely, 2^868368340 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 868368340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1064448000).

868368340 is an abundant number, since it is smaller than the sum of its proper divisors (1260527660).

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

868368340 is a wasteful number, since it uses less digits than its factorization.

868368340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 723 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 46.

The square root of 868368340 is about 29468.0901994004. The cubic root of 868368340 is about 954.0430973210.

The spelling of 868368340 in words is "eight hundred sixty-eight million, three hundred sixty-eight thousand, three hundred forty".