442932908656 has 20 divisors (see below), whose sum is σ = 980780012272. Its totient is φ = 189828389376.

The previous prime is 442932908651. The next prime is 442932908659. The reversal of 442932908656 is 656809239244.

It is a self number, because there is not a number n which added to its sum of digits gives 442932908656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442932908651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1977378945 + ... + 1977379168.

Almost surely, 2^442932908656 is an apocalyptic number.

It is an amenable number.

442932908656 is an abundant number, since it is smaller than the sum of its proper divisors (537847103616).

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

442932908656 is a wasteful number, since it uses less digits than its factorization.

442932908656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3954758128 (or 3954758122 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 58.

The spelling of 442932908656 in words is "four hundred forty-two billion, nine hundred thirty-two million, nine hundred eight thousand, six hundred fifty-six".