30378525830 has 16 divisors (see below), whose sum is σ = 54684863424. Its totient is φ = 12150628800.

The previous prime is 30378525803. The next prime is 30378525847. The reversal of 30378525830 is 3852587303.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81155 + ... + 259505.

It is an arithmetic number, because the mean of its divisors is an integer number (3417803964).

Almost surely, 2^30378525830 is an apocalyptic number.

30378525830 is a deficient number, since it is larger than the sum of its proper divisors (24306337594).

30378525830 is a wasteful number, since it uses less digits than its factorization.

30378525830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195391.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 30378525830 in words is "thirty billion, three hundred seventy-eight million, five hundred twenty-five thousand, eight hundred thirty".