306686049626 has 48 divisors (see below), whose sum is σ = 515275032960. Its totient is φ = 135748604160.

The previous prime is 306686049623. The next prime is 306686049697. The reversal of 306686049626 is 626940686603.

It is not an unprimeable number, because it can be changed into a prime (306686049623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9245246 + ... + 9278358.

It is an arithmetic number, because the mean of its divisors is an integer number (10734896520).

Almost surely, 2^306686049626 is an apocalyptic number.

306686049626 is a deficient number, since it is larger than the sum of its proper divisors (208588983334).

306686049626 is a wasteful number, since it uses less digits than its factorization.

306686049626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33351 (or 33278 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 56.

The spelling of 306686049626 in words is "three hundred six billion, six hundred eighty-six million, forty-nine thousand, six hundred twenty-six".