306290806004 has 12 divisors (see below), whose sum is σ = 550495638084. Its totient is φ = 149006337984.

The previous prime is 306290805917. The next prime is 306290806009. The reversal of 306290806004 is 400608092603.

It can be written as a sum of positive squares in 2 ways, for example, as 199453346404 + 106837459600 = 446602^2 + 326860^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306290806009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1034766089 + ... + 1034766384.

It is an arithmetic number, because the mean of its divisors is an integer number (45874636507).

Almost surely, 2^306290806004 is an apocalyptic number.

It is an amenable number.

306290806004 is a deficient number, since it is larger than the sum of its proper divisors (244204832080).

306290806004 is a wasteful number, since it uses less digits than its factorization.

306290806004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069532514 (or 2069532512 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

Adding to 306290806004 its reverse (400608092603), we get a palindrome (706898898607).

The spelling of 306290806004 in words is "three hundred six billion, two hundred ninety million, eight hundred six thousand, four".