305668609052 has 18 divisors (see below), whose sum is σ = 558187143864. Its totient is φ = 146186798560.

The previous prime is 305668609033. The next prime is 305668609061. The reversal of 305668609052 is 250906866503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5274152 + ... + 5331792.

Almost surely, 2^305668609052 is an apocalyptic number.

It is an amenable number.

305668609052 is a deficient number, since it is larger than the sum of its proper divisors (252518534812).

305668609052 is an frugal number, since it uses more digits than its factorization.

305668609052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115309 (or 57666 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 50.

The spelling of 305668609052 in words is "three hundred five billion, six hundred sixty-eight million, six hundred nine thousand, fifty-two".