868063040 has 112 divisors (see below), whose sum is σ = 2258202240. Its totient is φ = 315893760.

The previous prime is 868063037. The next prime is 868063043. The reversal of 868063040 is 40360868.

It is an interprime number because it is at equal distance from previous prime (868063037) and next prime (868063043).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868063043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293891 + ... + 296829.

It is an arithmetic number, because the mean of its divisors is an integer number (20162520).

Almost surely, 2^868063040 is an apocalyptic number.

868063040 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 868063040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1129101120).

868063040 is an abundant number, since it is smaller than the sum of its proper divisors (1390139200).

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

868063040 is a wasteful number, since it uses less digits than its factorization.

868063040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3040 (or 3030 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 868063040 is about 29462.9095643998. The cubic root of 868063040 is about 953.9312770693.

The spelling of 868063040 in words is "eight hundred sixty-eight million, sixty-three thousand, forty".