302742040042 has 12 divisors (see below), whose sum is σ = 491731893990. Its totient is φ = 139727095248.

The previous prime is 302742039997. The next prime is 302742040067. The reversal of 302742040042 is 240040247203.

It can be written as a sum of positive squares in 3 ways, for example, as 123642953641 + 179099086401 = 351629^2 + 423201^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 447842917 + ... + 447843592.

Almost surely, 2^302742040042 is an apocalyptic number.

302742040042 is a deficient number, since it is larger than the sum of its proper divisors (188989853948).

302742040042 is a wasteful number, since it uses less digits than its factorization.

302742040042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895686537 (or 895686524 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 28.

Adding to 302742040042 its reverse (240040247203), we get a palindrome (542782287245).

The spelling of 302742040042 in words is "three hundred two billion, seven hundred forty-two million, forty thousand, forty-two".