30255826509 has 16 divisors (see below), whose sum is σ = 44826899200. Its totient is φ = 20168997408.

The previous prime is 30255826507. The next prime is 30255826541. The reversal of 30255826509 is 90562855203.

30255826509 is a `hidden beast` number, since 3 + 0 + 2 + 5 + 582 + 65 + 0 + 9 = 666.

It is not a de Polignac number, because 30255826509 - 2¹ = 30255826507 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30255826507) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 394617 + ... + 465009.

It is an arithmetic number, because the mean of its divisors is an integer number (2801681200).

Almost surely, 2^30255826509 is an apocalyptic number.

It is an amenable number.

30255826509 is a deficient number, since it is larger than the sum of its proper divisors (14571072691).

30255826509 is a wasteful number, since it uses less digits than its factorization.

30255826509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86321 (or 86315 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 30255826509 in words is "thirty billion, two hundred fifty-five million, eight hundred twenty-six thousand, five hundred nine".