30255686641 has 8 divisors (see below), whose sum is σ = 32047212384. Its totient is φ = 28465469760.

The previous prime is 30255686633. The next prime is 30255686687. The reversal of 30255686641 is 14668655203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30255686641 - 2³ = 30255686633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30255686591 and 30255686600.

It is not an unprimeable number, because it can be changed into a prime (30255686441) 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 7 ways as a sum of consecutive naturals, for example, 279415 + ... + 372268.

It is an arithmetic number, because the mean of its divisors is an integer number (4005901548).

Almost surely, 2^30255686641 is an apocalyptic number.

It is an amenable number.

30255686641 is a deficient number, since it is larger than the sum of its proper divisors (1791525743).

30255686641 is a wasteful number, since it uses less digits than its factorization.

30255686641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654431.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 30255686641 in words is "thirty billion, two hundred fifty-five million, six hundred eighty-six thousand, six hundred forty-one".