30380785064 has 16 divisors (see below), whose sum is σ = 65101682400. Its totient is φ = 13020336432.

The previous prime is 30380785049. The next prime is 30380785069. The reversal of 30380785064 is 46058708303.

It is a super-2 number, since 2×30380785064² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (30380785069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271256954 + ... + 271257065.

It is an arithmetic number, because the mean of its divisors is an integer number (4068855150).

Almost surely, 2^30380785064 is an apocalyptic number.

It is an amenable number.

30380785064 is an abundant number, since it is smaller than the sum of its proper divisors (34720897336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30380785064 is a wasteful number, since it uses less digits than its factorization.

30380785064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542514032 (or 542514028 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 30380785064 in words is "thirty billion, three hundred eighty million, seven hundred eighty-five thousand, sixty-four".