840022216480 has 24 divisors (see below), whose sum is σ = 1984552486812. Its totient is φ = 336008886528.

The previous prime is 840022216477. The next prime is 840022216493. The reversal of 840022216480 is 84612220048.

It can be written as a sum of positive squares in 2 ways, for example, as 814780633104 + 25241583376 = 902652^2 + 158876^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2625069267 + ... + 2625069586.

Almost surely, 2^840022216480 is an apocalyptic number.

840022216480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

840022216480 is an abundant number, since it is smaller than the sum of its proper divisors (1144530270332).

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

840022216480 is a wasteful number, since it uses less digits than its factorization.

840022216480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5250138868 (or 5250138860 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 37.

The spelling of 840022216480 in words is "eight hundred forty billion, twenty-two million, two hundred sixteen thousand, four hundred eighty".