840666424094 has 8 divisors (see below), whose sum is σ = 1441142441328. Its totient is φ = 360285610320.

The previous prime is 840666424069. The next prime is 840666424097. The reversal of 840666424094 is 490424666048.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840666424097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30023800847 + ... + 30023800874.

It is an arithmetic number, because the mean of its divisors is an integer number (180142805166).

Almost surely, 2^840666424094 is an apocalyptic number.

840666424094 is a deficient number, since it is larger than the sum of its proper divisors (600476017234).

840666424094 is a wasteful number, since it uses less digits than its factorization.

840666424094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60047601730.

The product of its (nonzero) digits is 7962624, while the sum is 53.

The spelling of 840666424094 in words is "eight hundred forty billion, six hundred sixty-six million, four hundred twenty-four thousand, ninety-four".