42114866 has 4 divisors (see below), whose sum is σ = 63172302. Its totient is φ = 21057432.

The previous prime is 42114841. The next prime is 42114869. The reversal of 42114866 is 66841124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 40589641 + 1525225 = 6371^2 + 1235^2 .

It is not an unprimeable number, because it can be changed into a prime (42114869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10528715 + ... + 10528718.

Almost surely, 2^42114866 is an apocalyptic number.

42114866 is a deficient number, since it is larger than the sum of its proper divisors (21057436).

42114866 is a wasteful number, since it uses less digits than its factorization.

42114866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21057435.

The product of its digits is 9216, while the sum is 32.

The square root of 42114866 is about 6489.5967517250. The cubic root of 42114866 is about 347.9192627692.

The spelling of 42114866 in words is "forty-two million, one hundred fourteen thousand, eight hundred sixty-six".