42250650 has 96 divisors (see below), whose sum is σ = 115492608. Its totient is φ = 10156800.

The previous prime is 42250631. The next prime is 42250673. The reversal of 42250650 is 5605224.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42250650.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91420 + ... + 91880.

It is an arithmetic number, because the mean of its divisors is an integer number (1203048).

Almost surely, 2^42250650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42250650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57746304).

42250650 is an abundant number, since it is smaller than the sum of its proper divisors (73241958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42250650 is a wasteful number, since it uses less digits than its factorization.

42250650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 42250650 is about 6500.0499998077. The cubic root of 42250650 is about 348.2927744926.

Adding to 42250650 its reverse (5605224), we get a palindrome (47855874).

The spelling of 42250650 in words is "forty-two million, two hundred fifty thousand, six hundred fifty".