840840484488 has 16 divisors (see below), whose sum is σ = 2102101211280. Its totient is φ = 280280161488.

The previous prime is 840840484483. The next prime is 840840484489. The reversal of 840840484488 is 884484048048.

It is not an unprimeable number, because it can be changed into a prime (840840484483) 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, 17517510070 + ... + 17517510117.

It is an arithmetic number, because the mean of its divisors is an integer number (131381325705).

Almost surely, 2^840840484488 is an apocalyptic number.

It is an amenable number.

840840484488 is an abundant number, since it is smaller than the sum of its proper divisors (1261260726792).

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

840840484488 is a wasteful number, since it uses less digits than its factorization.

840840484488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35035020196 (or 35035020192 counting only the distinct ones).

The product of its (nonzero) digits is 33554432, while the sum is 60.

The spelling of 840840484488 in words is "eight hundred forty billion, eight hundred forty million, four hundred eighty-four thousand, four hundred eighty-eight".