840812848480 has 96 divisors (see below), whose sum is σ = 2170801721088. Its totient is φ = 305214297600.

The previous prime is 840812848459. The next prime is 840812848481. The reversal of 840812848480 is 84848218048.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840812848481) 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, 586629 + ... + 1423291.

It is an arithmetic number, because the mean of its divisors is an integer number (22612517928).

Almost surely, 2^840812848480 is an apocalyptic number.

840812848480 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 840812848480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1085400860544).

840812848480 is an abundant number, since it is smaller than the sum of its proper divisors (1329988872608).

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

840812848480 is a wasteful number, since it uses less digits than its factorization.

840812848480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837260 (or 837252 counting only the distinct ones).

The product of its (nonzero) digits is 4194304, while the sum is 55.

The spelling of 840812848480 in words is "eight hundred forty billion, eight hundred twelve million, eight hundred forty-eight thousand, four hundred eighty".