42656208 has 80 divisors (see below), whose sum is σ = 127610880. Its totient is φ = 12025728.

The previous prime is 42656203. The next prime is 42656209. The reversal of 42656208 is 80265624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42656203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25741 + ... + 27347.

It is an arithmetic number, because the mean of its divisors is an integer number (1595136).

Almost surely, 2^42656208 is an apocalyptic number.

42656208 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42656208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63805440).

42656208 is an abundant number, since it is smaller than the sum of its proper divisors (84954672).

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

42656208 is a wasteful number, since it uses less digits than its factorization.

42656208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704 (or 1698 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 42656208 is about 6531.1720234580. The cubic root of 42656208 is about 349.4036320398.

The spelling of 42656208 in words is "forty-two million, six hundred fifty-six thousand, two hundred eight".