42266650 has 12 divisors (see below), whose sum is σ = 78616062. Its totient is φ = 16906640.

The previous prime is 42266647. The next prime is 42266657. The reversal of 42266650 is 5666224.

It can be written as a sum of positive squares in 3 ways, for example, as 35605089 + 6661561 = 5967^2 + 2581^2 .

It is not an unprimeable number, because it can be changed into a prime (42266657) 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, 422617 + ... + 422716.

Almost surely, 2^42266650 is an apocalyptic number.

42266650 is a deficient number, since it is larger than the sum of its proper divisors (36349412).

42266650 is a wasteful number, since it uses less digits than its factorization.

42266650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845345 (or 845340 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 42266650 is about 6501.2806430733. The cubic root of 42266650 is about 348.3367342194.

The spelling of 42266650 in words is "forty-two million, two hundred sixty-six thousand, six hundred fifty".