42845408 has 24 divisors (see below), whose sum is σ = 86634072. Its totient is φ = 20843136.

The previous prime is 42845381. The next prime is 42845417. The reversal of 42845408 is 80454824.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16910 + ... + 19277.

It is an arithmetic number, because the mean of its divisors is an integer number (3609753).

Almost surely, 2^42845408 is an apocalyptic number.

It is an amenable number.

42845408 is an abundant number, since it is smaller than the sum of its proper divisors (43788664).

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

42845408 is a wasteful number, since it uses less digits than its factorization.

42845408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36234 (or 36226 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 35.

The square root of 42845408 is about 6545.6403812003. The cubic root of 42845408 is about 349.9194590186.

The spelling of 42845408 in words is "forty-two million, eight hundred forty-five thousand, four hundred eight".