305602242 has 48 divisors (see below), whose sum is σ = 697098528. Its totient is φ = 88570240.

The previous prime is 305602207. The next prime is 305602249. The reversal of 305602242 is 242206503.

It is not an unprimeable number, because it can be changed into a prime (305602249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30538 + ... + 39290.

It is an arithmetic number, because the mean of its divisors is an integer number (14522886).

Almost surely, 2^305602242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 305602242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348549264).

305602242 is an abundant number, since it is smaller than the sum of its proper divisors (391496286).

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

305602242 is a wasteful number, since it uses less digits than its factorization.

305602242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8815 (or 8792 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 305602242 is about 17481.4828318424. The cubic root of 305602242 is about 673.5743055315.

Adding to 305602242 its reverse (242206503), we get a palindrome (547808745).

The spelling of 305602242 in words is "three hundred five million, six hundred two thousand, two hundred forty-two".