4242646664406 has 12 divisors (see below), whose sum is σ = 9192401106252. Its totient is φ = 1414215554796.

The previous prime is 4242646664369. The next prime is 4242646664471. The reversal of 4242646664406 is 6044666462424.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117851296216 + ... + 117851296251.

It is an arithmetic number, because the mean of its divisors is an integer number (766033425521).

Almost surely, 2^{4242646664406} is an apocalyptic number.

4242646664406 is an abundant number, since it is smaller than the sum of its proper divisors (4949754441846).

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

4242646664406 is a wasteful number, since it uses less digits than its factorization.

4242646664406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235702592475 (or 235702592472 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 54.

The spelling of 4242646664406 in words is "four trillion, two hundred forty-two billion, six hundred forty-six million, six hundred sixty-four thousand, four hundred six".