42550304 has 24 divisors (see below), whose sum is σ = 83918268. Its totient is φ = 21237760.

The previous prime is 42550289. The next prime is 42550309. The reversal of 42550304 is 40305524.

It can be written as a sum of positive squares in 2 ways, for example, as 42250000 + 300304 = 6500^2 + 548^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42550304.

It is not an unprimeable number, because it can be changed into a prime (42550309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30584 + ... + 31944.

Almost surely, 2^42550304 is an apocalyptic number.

It is an amenable number.

42550304 is a deficient number, since it is larger than the sum of its proper divisors (41367964).

42550304 is a wasteful number, since it uses less digits than its factorization.

42550304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348 (or 2340 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 42550304 is about 6523.0594049112. The cubic root of 42550304 is about 349.1142336977.

Adding to 42550304 its reverse (40305524), we get a palindrome (82855828).

The spelling of 42550304 in words is "forty-two million, five hundred fifty thousand, three hundred four".