42320650 has 24 divisors (see below), whose sum is σ = 83348460. Its totient is φ = 15932160.

The previous prime is 42320623. The next prime is 42320653. The reversal of 42320650 is 5602324.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 14768649 + 27552001 = 3843^2 + 5249^2 .

It is not an unprimeable number, because it can be changed into a prime (42320653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24045 + ... + 25744.

Almost surely, 2^42320650 is an apocalyptic number.

42320650 is a deficient number, since it is larger than the sum of its proper divisors (41027810).

42320650 is a wasteful number, since it uses less digits than its factorization.

42320650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49818 (or 49813 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 42320650 is about 6505.4323453557. The cubic root of 42320650 is about 348.4850164441.

Adding to 42320650 its reverse (5602324), we get a palindrome (47922974).

The spelling of 42320650 in words is "forty-two million, three hundred twenty thousand, six hundred fifty".