302042442340 has 12 divisors (see below), whose sum is σ = 634289128956. Its totient is φ = 120816976928.

The previous prime is 302042442337. The next prime is 302042442341. The reversal of 302042442340 is 43244240203.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 207183370276 + 94859072064 = 455174^2 + 307992^2 .

It is a junction number, because it is equal to n+sod(n) for n = 302042442299 and 302042442308.

It is not an unprimeable number, because it can be changed into a prime (302042442341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7551061039 + ... + 7551061078.

It is an arithmetic number, because the mean of its divisors is an integer number (52857427413).

Almost surely, 2^302042442340 is an apocalyptic number.

It is an amenable number.

302042442340 is an abundant number, since it is smaller than the sum of its proper divisors (332246686616).

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

302042442340 is a wasteful number, since it uses less digits than its factorization.

302042442340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15102122126 (or 15102122124 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 302042442340 its reverse (43244240203), we get a palindrome (345286682543).

The spelling of 302042442340 in words is "three hundred two billion, forty-two million, four hundred forty-two thousand, three hundred forty".