306505315064 has 16 divisors (see below), whose sum is σ = 618904963320. Its totient is φ = 141463991520.

The previous prime is 306505315057. The next prime is 306505315079. The reversal of 306505315064 is 460513505603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1473583142 + ... + 1473583349.

Almost surely, 2^306505315064 is an apocalyptic number.

It is an amenable number.

306505315064 is an abundant number, since it is smaller than the sum of its proper divisors (312399648256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

306505315064 is a wasteful number, since it uses less digits than its factorization.

306505315064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2947166510 (or 2947166506 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 306505315064 in words is "three hundred six billion, five hundred five million, three hundred fifteen thousand, sixty-four".