242650420305 has 32 divisors (see below), whose sum is σ = 391869878400. Its totient is φ = 128204232192.

The previous prime is 242650420289. The next prime is 242650420321. The reversal of 242650420305 is 503024056242.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (242650420289) and next prime (242650420321).

It is not a de Polignac number, because 242650420305 - 2⁴ = 242650420289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14656042 + ... + 14672588.

It is an arithmetic number, because the mean of its divisors is an integer number (12245933700).

Almost surely, 2^242650420305 is an apocalyptic number.

It is an amenable number.

242650420305 is a deficient number, since it is larger than the sum of its proper divisors (149219458095).

242650420305 is a wasteful number, since it uses less digits than its factorization.

242650420305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25633.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 242650420305 its reverse (503024056242), we get a palindrome (745674476547).

The spelling of 242650420305 in words is "two hundred forty-two billion, six hundred fifty million, four hundred twenty thousand, three hundred five".