42284894656 has 28 divisors (see below), whose sum is σ = 83919388168. Its totient is φ = 21139852032.

The previous prime is 42284894647. The next prime is 42284894711. The reversal of 42284894656 is 65649848224.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42284894656.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552010 + ... + 623926.

It is an arithmetic number, because the mean of its divisors is an integer number (2997121006).

Almost surely, 2^42284894656 is an apocalyptic number.

It is an amenable number.

42284894656 is a deficient number, since it is larger than the sum of its proper divisors (41634493512).

42284894656 is an equidigital number, since it uses as much as digits as its factorization.

42284894656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81116 (or 81106 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 58.

The spelling of 42284894656 in words is "forty-two billion, two hundred eighty-four million, eight hundred ninety-four thousand, six hundred fifty-six".