42446858 has 16 divisors (see below), whose sum is σ = 68273280. Its totient is φ = 19720896.

The previous prime is 42446857. The next prime is 42446867. The reversal of 42446858 is 85864424.

It is not an unprimeable number, because it can be changed into a prime (42446851) 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, 5216 + ... + 10587.

It is an arithmetic number, because the mean of its divisors is an integer number (4267080).

Almost surely, 2^42446858 is an apocalyptic number.

42446858 is a deficient number, since it is larger than the sum of its proper divisors (25826422).

42446858 is a wasteful number, since it uses less digits than its factorization.

42446858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15901.

The product of its digits is 245760, while the sum is 41.

The square root of 42446858 is about 6515.1253249650. The cubic root of 42446858 is about 348.8310882304.

The spelling of 42446858 in words is "forty-two million, four hundred forty-six thousand, eight hundred fifty-eight".