42558286 has 8 divisors (see below), whose sum is σ = 64402704. Its totient is φ = 21090720.

The previous prime is 42558281. The next prime is 42558301. The reversal of 42558286 is 68285524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42558286² = 3622415414515592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42558281) 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, 93930 + ... + 94381.

It is an arithmetic number, because the mean of its divisors is an integer number (8050338).

Almost surely, 2^42558286 is an apocalyptic number.

42558286 is a deficient number, since it is larger than the sum of its proper divisors (21844418).

42558286 is a wasteful number, since it uses less digits than its factorization.

42558286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188426.

The product of its digits is 153600, while the sum is 40.

The square root of 42558286 is about 6523.6712056939. The cubic root of 42558286 is about 349.1360624143.

The spelling of 42558286 in words is "forty-two million, five hundred fifty-eight thousand, two hundred eighty-six".