42850028 has 12 divisors (see below), whose sum is σ = 80755920. Its totient is φ = 19776912.

The previous prime is 42850021. The next prime is 42850037. The reversal of 42850028 is 82005824.

It is a super-2 number, since 2×42850028² = 3672249799201568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42850021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411968 + ... + 412071.

It is an arithmetic number, because the mean of its divisors is an integer number (6729660).

Almost surely, 2^42850028 is an apocalyptic number.

It is an amenable number.

42850028 is a deficient number, since it is larger than the sum of its proper divisors (37905892).

42850028 is a wasteful number, since it uses less digits than its factorization.

42850028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824056 (or 824054 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 42850028 is about 6545.9932783345. The cubic root of 42850028 is about 349.9320357829.

The spelling of 42850028 in words is "forty-two million, eight hundred fifty thousand, twenty-eight".