42566608 has 20 divisors (see below), whose sum is σ = 94254880. Its totient is φ = 18242784.

The previous prime is 42566599. The next prime is 42566611. The reversal of 42566608 is 80666524.

It is a super-2 number, since 2×42566608² = 3623832233251328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189918 + ... + 190141.

It is an arithmetic number, because the mean of its divisors is an integer number (4712744).

Almost surely, 2^42566608 is an apocalyptic number.

It is an amenable number.

42566608 is an abundant number, since it is smaller than the sum of its proper divisors (51688272).

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

42566608 is a wasteful number, since it uses less digits than its factorization.

42566608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380074 (or 380068 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 42566608 is about 6524.3090055576. The cubic root of 42566608 is about 349.1588180374.

The spelling of 42566608 in words is "forty-two million, five hundred sixty-six thousand, six hundred eight".