42660850 has 12 divisors (see below), whose sum is σ = 79349274. Its totient is φ = 17064320.

The previous prime is 42660829. The next prime is 42660853. The reversal of 42660850 is 5806624.

It can be written as a sum of positive squares in 3 ways, for example, as 39601849 + 3059001 = 6293^2 + 1749^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42660853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 426559 + ... + 426658.

Almost surely, 2^42660850 is an apocalyptic number.

42660850 is a deficient number, since it is larger than the sum of its proper divisors (36688424).

42660850 is a wasteful number, since it uses less digits than its factorization.

42660850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853229 (or 853224 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 42660850 is about 6531.5273864541. The cubic root of 42660850 is about 349.4163060280.

The spelling of 42660850 in words is "forty-two million, six hundred sixty thousand, eight hundred fifty".