305609556068 has 24 divisors (see below), whose sum is σ = 538272903168. Its totient is φ = 151820133696.

The previous prime is 305609556061. The next prime is 305609556073. The reversal of 305609556068 is 860655906503.

It is not an unprimeable number, because it can be changed into a prime (305609556061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77405 + ... + 785627.

It is an arithmetic number, because the mean of its divisors is an integer number (22428037632).

Almost surely, 2^305609556068 is an apocalyptic number.

It is an amenable number.

305609556068 is a deficient number, since it is larger than the sum of its proper divisors (232663347100).

305609556068 is a wasteful number, since it uses less digits than its factorization.

305609556068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708923 (or 708921 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 53.

The spelling of 305609556068 in words is "three hundred five billion, six hundred nine million, five hundred fifty-six thousand, sixty-eight".