42616866 has 16 divisors (see below), whose sum is σ = 86313600. Its totient is φ = 14025648.

The previous prime is 42616843. The next prime is 42616877. The reversal of 42616866 is 66861624.

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, 44481 + ... + 45428.

It is an arithmetic number, because the mean of its divisors is an integer number (5394600).

Almost surely, 2^42616866 is an apocalyptic number.

42616866 is an abundant number, since it is smaller than the sum of its proper divisors (43696734).

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

42616866 is a wasteful number, since it uses less digits than its factorization.

42616866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89993.

The product of its digits is 82944, while the sum is 39.

The square root of 42616866 is about 6528.1594649641. The cubic root of 42616866 is about 349.2961801856.

The spelling of 42616866 in words is "forty-two million, six hundred sixteen thousand, eight hundred sixty-six".