84446268486642 has 24 divisors (see below), whose sum is σ = 185022723092220. Its totient is φ = 27832478002560.

The previous prime is 84446268486641. The next prime is 84446268486667. The reversal of 84446268486642 is 24668486264448.

84446268486642 is a `hidden beast` number, since 8 + 4 + 4 + 46 + 2 + 68 + 486 + 6 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 83610925497801 + 835342988841 = 9143901^2 + 913971^2 .

It is a super-2 number, since 2×84446268486642² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84446268486641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26356511659 + ... + 26356514862.

Almost surely, 2^{84446268486642} is an apocalyptic number.

84446268486642 is an abundant number, since it is smaller than the sum of its proper divisors (100576454605578).

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

84446268486642 is a wasteful number, since it uses less digits than its factorization.

84446268486642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52713026618 (or 52713026615 counting only the distinct ones).

The product of its digits is 2717908992, while the sum is 72.

The spelling of 84446268486642 in words is "eighty-four trillion, four hundred forty-six billion, two hundred sixty-eight million, four hundred eighty-six thousand, six hundred forty-two".