349430305128 has 16 divisors (see below), whose sum is σ = 873575762880. Its totient is φ = 116476768368.

The previous prime is 349430305111. The next prime is 349430305151. The reversal of 349430305128 is 821503034943.

It is a self number, because there is not a number n which added to its sum of digits gives 349430305128.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7279798000 + ... + 7279798047.

It is an arithmetic number, because the mean of its divisors is an integer number (54598485180).

Almost surely, 2^349430305128 is an apocalyptic number.

It is an amenable number.

349430305128 is an abundant number, since it is smaller than the sum of its proper divisors (524145457752).

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

349430305128 is a wasteful number, since it uses less digits than its factorization.

349430305128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14559596056 (or 14559596052 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 349430305128 in words is "three hundred forty-nine billion, four hundred thirty million, three hundred five thousand, one hundred twenty-eight".