304285727642 has 32 divisors (see below), whose sum is σ = 508542829200. Its totient is φ = 135582225408.

The previous prime is 304285727593. The next prime is 304285727651. The reversal of 304285727642 is 246727582403.

It is a Cunningham number, because it is equal to 551621²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 261692610481 + 42593117161 = 511559^2 + 206381^2 .

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 15 ways as a sum of consecutive naturals, for example, 10131584 + ... + 10161572.

Almost surely, 2^304285727642 is an apocalyptic number.

304285727642 is a deficient number, since it is larger than the sum of its proper divisors (204257101558).

304285727642 is a wasteful number, since it uses less digits than its factorization.

304285727642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43490.

The product of its (nonzero) digits is 4515840, while the sum is 50.

The spelling of 304285727642 in words is "three hundred four billion, two hundred eighty-five million, seven hundred twenty-seven thousand, six hundred forty-two".