30438845525 has 36 divisors (see below), whose sum is σ = 43740132000. Its totient is φ = 20835091200.

The previous prime is 30438845513. The next prime is 30438845531. The reversal of 30438845525 is 52554883403.

It is not a de Polignac number, because 30438845525 - 2²⁴ = 30422068309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30438845525.

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 112025 + ... + 270974.

Almost surely, 2^30438845525 is an apocalyptic number.

It is an amenable number.

30438845525 is a deficient number, since it is larger than the sum of its proper divisors (13301286475).

30438845525 is a wasteful number, since it uses less digits than its factorization.

30438845525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383054 (or 383032 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 47.

The spelling of 30438845525 in words is "thirty billion, four hundred thirty-eight million, eight hundred forty-five thousand, five hundred twenty-five".