30805774296 has 72 divisors (see below), whose sum is σ = 84678229860. Its totient is φ = 9332216960.

The previous prime is 30805774271. The next prime is 30805774297. The reversal of 30805774296 is 69247750803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30805774297) 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 17 ways as a sum of consecutive naturals, for example, 9456700 + ... + 9459956.

Almost surely, 2^30805774296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30805774296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42339114930).

30805774296 is an abundant number, since it is smaller than the sum of its proper divisors (53872455564).

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

30805774296 is an equidigital number, since it uses as much as digits as its factorization.

30805774296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6545 (or 3273 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 30805774296 in words is "thirty billion, eight hundred five million, seven hundred seventy-four thousand, two hundred ninety-six".