842528656 has 20 divisors (see below), whose sum is σ = 1641524400. Its totient is φ = 418909472.

The previous prime is 842528641. The next prime is 842528681. The reversal of 842528656 is 656825248.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144226 + ... + 149953.

It is an arithmetic number, because the mean of its divisors is an integer number (82076220).

Almost surely, 2^842528656 is an apocalyptic number.

It is an amenable number.

842528656 is a deficient number, since it is larger than the sum of its proper divisors (798995744).

842528656 is a wasteful number, since it uses less digits than its factorization.

842528656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294366 (or 294360 counting only the distinct ones).

The product of its digits is 921600, while the sum is 46.

The square root of 842528656 is about 29026.3441721482. The cubic root of 842528656 is about 944.4846273940.

The spelling of 842528656 in words is "eight hundred forty-two million, five hundred twenty-eight thousand, six hundred fifty-six".