305712312004 has 48 divisors (see below), whose sum is σ = 602568400896. Its totient is φ = 134453239200.

The previous prime is 305712311963. The next prime is 305712312007. The reversal of 305712312004 is 400213217503.

It is not an unprimeable number, because it can be changed into a prime (305712312007) by changing a digit.

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, 8994987 + ... + 9028909.

It is an arithmetic number, because the mean of its divisors is an integer number (12553508352).

Almost surely, 2^305712312004 is an apocalyptic number.

It is an amenable number.

305712312004 is a deficient number, since it is larger than the sum of its proper divisors (296856088892).

305712312004 is a wasteful number, since it uses less digits than its factorization.

305712312004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40576 (or 40574 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 305712312004 its reverse (400213217503), we get a palindrome (705925529507).

It can be divided in two parts, 305712 and 312004, that added together give a palindrome (617716).

The spelling of 305712312004 in words is "three hundred five billion, seven hundred twelve million, three hundred twelve thousand, four".