42205450 has 24 divisors (see below), whose sum is σ = 89717472. Its totient is φ = 14470320.

The previous prime is 42205421. The next prime is 42205459. The reversal of 42205450 is 5450224.

It is not an unprimeable number, because it can be changed into a prime (42205459) 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, 59944 + ... + 60643.

It is an arithmetic number, because the mean of its divisors is an integer number (3738228).

Almost surely, 2^42205450 is an apocalyptic number.

42205450 is an abundant number, since it is smaller than the sum of its proper divisors (47512022).

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

42205450 is a wasteful number, since it uses less digits than its factorization.

42205450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120606 (or 120601 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 42205450 is about 6496.5721730771. The cubic root of 42205450 is about 348.1685282725.

Adding to 42205450 its reverse (5450224), we get a palindrome (47655674).

The spelling of 42205450 in words is "forty-two million, two hundred five thousand, four hundred fifty".