30438335085 has 32 divisors (see below), whose sum is σ = 50579665920. Its totient is φ = 15617530368.

The previous prime is 30438335071. The next prime is 30438335089. The reversal of 30438335085 is 58053383403.

It is a happy number.

It is not a de Polignac number, because 30438335085 - 2⁶ = 30438335021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30438335089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258717 + ... + 357506.

It is an arithmetic number, because the mean of its divisors is an integer number (1580614560).

Almost surely, 2^30438335085 is an apocalyptic number.

It is an amenable number.

30438335085 is a deficient number, since it is larger than the sum of its proper divisors (20141330835).

30438335085 is a wasteful number, since it uses less digits than its factorization.

30438335085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616357.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 30438335085 in words is "thirty billion, four hundred thirty-eight million, three hundred thirty-five thousand, eighty-five".