30291340608 has 140 divisors (see below), whose sum is σ = 90247317600. Its totient is φ = 10046032128.

The previous prime is 30291340603. The next prime is 30291340619. The reversal of 30291340608 is 80604319203.

30291340608 is a `hidden beast` number, since 3 + 0 + 2 + 9 + 1 + 3 + 40 + 608 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30291340603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1016935 + ... + 1046297.

Almost surely, 2^30291340608 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 30291340608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45123658800).

30291340608 is an abundant number, since it is smaller than the sum of its proper divisors (59955976992).

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

30291340608 is a wasteful number, since it uses less digits than its factorization.

30291340608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29586 (or 29567 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 30291340608 in words is "thirty billion, two hundred ninety-one million, three hundred forty thousand, six hundred eight".