42890850 has 48 divisors (see below), whose sum is σ = 118191840. Its totient is φ = 11437200.

The previous prime is 42890849. The next prime is 42890857. The reversal of 42890850 is 5809824.

42890850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42890857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14536 + ... + 17235.

It is an arithmetic number, because the mean of its divisors is an integer number (2462330).

Almost surely, 2^42890850 is an apocalyptic number.

42890850 is an abundant number, since it is smaller than the sum of its proper divisors (75300990).

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

42890850 is a wasteful number, since it uses less digits than its factorization.

42890850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31792 (or 31781 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 42890850 is about 6549.1106266424. The cubic root of 42890850 is about 350.0431239381.

The spelling of 42890850 in words is "forty-two million, eight hundred ninety thousand, eight hundred fifty".