868041488 has 20 divisors (see below), whose sum is σ = 1780762140. Its totient is φ = 408489984.

The previous prime is 868041487. The next prime is 868041521. The reversal of 868041488 is 884140868.

It can be written as a sum of positive squares in 2 ways, for example, as 340328704 + 527712784 = 18448^2 + 22972^2 .

It is not an unprimeable number, because it can be changed into a prime (868041487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1595393 + ... + 1595936.

It is an arithmetic number, because the mean of its divisors is an integer number (89038107).

Almost surely, 2^868041488 is an apocalyptic number.

It is an amenable number.

868041488 is an abundant number, since it is smaller than the sum of its proper divisors (912720652).

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

868041488 is a wasteful number, since it uses less digits than its factorization.

868041488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191354 (or 3191348 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 47.

The square root of 868041488 is about 29462.5438141380. The cubic root of 868041488 is about 953.9233823673.

The spelling of 868041488 in words is "eight hundred sixty-eight million, forty-one thousand, four hundred eighty-eight".