842287280 has 20 divisors (see below), whose sum is σ = 1958318112. Its totient is φ = 336914880.

The previous prime is 842287261. The next prime is 842287297. The reversal of 842287280 is 82782248.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5264216 + ... + 5264375.

Almost surely, 2^842287280 is an apocalyptic number.

842287280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

842287280 is an abundant number, since it is smaller than the sum of its proper divisors (1116030832).

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

842287280 is a wasteful number, since it uses less digits than its factorization.

842287280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10528604 (or 10528598 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 41.

The square root of 842287280 is about 29022.1859962340. The cubic root of 842287280 is about 944.3944236586.

The spelling of 842287280 in words is "eight hundred forty-two million, two hundred eighty-seven thousand, two hundred eighty".