840502882494 has 72 divisors (see below), whose sum is σ = 2002065437736. Its totient is φ = 254650519200.

The previous prime is 840502882487. The next prime is 840502882511. The reversal of 840502882494 is 494288205048.

840502882494 is a `hidden beast` number, since 8 + 4 + 0 + 50 + 28 + 82 + 494 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 840502882494.

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 35 ways as a sum of consecutive naturals, for example, 12732337 + ... + 12798179.

It is an arithmetic number, because the mean of its divisors is an integer number (27806464413).

Almost surely, 2^840502882494 is an apocalyptic number.

840502882494 is an abundant number, since it is smaller than the sum of its proper divisors (1161562555242).

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

840502882494 is a wasteful number, since it uses less digits than its factorization.

840502882494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71734 (or 71720 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 54.

The spelling of 840502882494 in words is "eight hundred forty billion, five hundred two million, eight hundred eighty-two thousand, four hundred ninety-four".