840488808000 has 224 divisors, whose sum is σ = 2781403193088. Its totient is φ = 223636992000.

The previous prime is 840488807987. The next prime is 840488808001. The reversal of 840488808000 is 808884048.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (840488808001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10929685 + ... + 11006315.

Almost surely, 2^840488808000 is an apocalyptic number.

840488808000 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 840488808000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1390701596544).

840488808000 is an abundant number, since it is smaller than the sum of its proper divisors (1940914385088).

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

840488808000 is a wasteful number, since it uses less digits than its factorization.

840488808000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77118 (or 77098 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 48.

The spelling of 840488808000 in words is "eight hundred forty billion, four hundred eighty-eight million, eight hundred eight thousand".