840274227936 has 288 divisors, whose sum is σ = 2897841623040. Its totient is φ = 227459404800.

The previous prime is 840274227917. The next prime is 840274227941. The reversal of 840274227936 is 639722472048.

840274227936 is a `hidden beast` number, since 8 + 402 + 7 + 4 + 227 + 9 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 947625 + ... + 1605783.

It is an arithmetic number, because the mean of its divisors is an integer number (10061950080).

Almost surely, 2^840274227936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 840274227936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1448920811520).

840274227936 is an abundant number, since it is smaller than the sum of its proper divisors (2057567395104).

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

840274227936 is a wasteful number, since it uses less digits than its factorization.

840274227936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658230 (or 658219 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 54.

The spelling of 840274227936 in words is "eight hundred forty billion, two hundred seventy-four million, two hundred twenty-seven thousand, nine hundred thirty-six".