42180008 has 16 divisors (see below), whose sum is σ = 85171380. Its totient is φ = 19467648.

The previous prime is 42179927. The next prime is 42180013. The reversal of 42180008 is 80008124.

It can be written as a sum of positive squares in 2 ways, for example, as 36990724 + 5189284 = 6082^2 + 2278^2 .

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, 202685 + ... + 202892.

Almost surely, 2^42180008 is an apocalyptic number.

It is an amenable number.

42180008 is an abundant number, since it is smaller than the sum of its proper divisors (42991372).

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

42180008 is a wasteful number, since it uses less digits than its factorization.

42180008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405596 (or 405592 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 42180008 is about 6494.6137683468. The cubic root of 42180008 is about 348.0985540218.

The spelling of 42180008 in words is "forty-two million, one hundred eighty thousand, eight".