305353430634 has 64 divisors (see below), whose sum is σ = 712318464000. Its totient is φ = 87228663984.

The previous prime is 305353430587. The next prime is 305353430659. The reversal of 305353430634 is 436034353503.

It is a junction number, because it is equal to n+sod(n) for n = 305353430592 and 305353430601.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17786947 + ... + 17804105.

It is an arithmetic number, because the mean of its divisors is an integer number (11129976000).

Almost surely, 2^305353430634 is an apocalyptic number.

305353430634 is an abundant number, since it is smaller than the sum of its proper divisors (406965033366).

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

305353430634 is a wasteful number, since it uses less digits than its factorization.

305353430634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25832 (or 25818 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 39.

The spelling of 305353430634 in words is "three hundred five billion, three hundred fifty-three million, four hundred thirty thousand, six hundred thirty-four".