30840085549 has 24 divisors (see below), whose sum is σ = 38658631200. Its totient is φ = 24385917024.

The previous prime is 30840085547. The next prime is 30840085567. The reversal of 30840085549 is 94558004803.

It is not a de Polignac number, because 30840085549 - 2¹ = 30840085547 is a prime.

It is a super-2 number, since 2×30840085549² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30840085499 and 30840085508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30840085547) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1083502 + ... + 1111600.

It is an arithmetic number, because the mean of its divisors is an integer number (1610776300).

Almost surely, 2^30840085549 is an apocalyptic number.

It is an amenable number.

30840085549 is a deficient number, since it is larger than the sum of its proper divisors (7818545651).

30840085549 is a wasteful number, since it uses less digits than its factorization.

30840085549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29849 (or 29842 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 30840085549 in words is "thirty billion, eight hundred forty million, eighty-five thousand, five hundred forty-nine".