42112808 has 32 divisors (see below), whose sum is σ = 85876200. Its totient is φ = 19279872.

The previous prime is 42112801. The next prime is 42112817. The reversal of 42112808 is 80821124.

It can be written as a sum of positive squares in 4 ways, for example, as 41705764 + 407044 = 6458^2 + 638^2 .

It is not an unprimeable number, because it can be changed into a prime (42112801) 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, 848 + ... + 9216.

Almost surely, 2^42112808 is an apocalyptic number.

It is an amenable number.

42112808 is an abundant number, since it is smaller than the sum of its proper divisors (43763392).

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

42112808 is a wasteful number, since it uses less digits than its factorization.

42112808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8429 (or 8425 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 42112808 is about 6489.4381883180. The cubic root of 42112808 is about 347.9135954948.

The spelling of 42112808 in words is "forty-two million, one hundred twelve thousand, eight hundred eight".