42559568 has 40 divisors (see below), whose sum is σ = 91119168. Its totient is φ = 19154432.

The previous prime is 42559567. The next prime is 42559589. The reversal of 42559568 is 86595524.

It is a super-2 number, since 2×42559568² = 3622633656693248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42559567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2855 + ... + 9657.

Almost surely, 2^42559568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42559568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45559584).

42559568 is an abundant number, since it is smaller than the sum of its proper divisors (48559600).

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

42559568 is a wasteful number, since it uses less digits than its factorization.

42559568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6851 (or 6845 counting only the distinct ones).

The product of its digits is 432000, while the sum is 44.

The square root of 42559568 is about 6523.7694625117. The cubic root of 42559568 is about 349.1395681002.

The spelling of 42559568 in words is "forty-two million, five hundred fifty-nine thousand, five hundred sixty-eight".