42656258 has 16 divisors (see below), whose sum is σ = 65663136. Its totient is φ = 20771520.

The previous prime is 42656249. The next prime is 42656261. The reversal of 42656258 is 85265624.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47978 + ... + 48858.

It is an arithmetic number, because the mean of its divisors is an integer number (4103946).

Almost surely, 2^42656258 is an apocalyptic number.

42656258 is a deficient number, since it is larger than the sum of its proper divisors (23006878).

42656258 is a wasteful number, since it uses less digits than its factorization.

42656258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489.

The product of its digits is 115200, while the sum is 38.

The square root of 42656258 is about 6531.1758512537. The cubic root of 42656258 is about 349.4037685590.

The spelling of 42656258 in words is "forty-two million, six hundred fifty-six thousand, two hundred fifty-eight".