30449917008 has 160 divisors (see below), whose sum is σ = 101773843200. Its totient is φ = 8535780864.

The previous prime is 30449916961. The next prime is 30449917019. The reversal of 30449917008 is 80071994403.

30449917008 is a `hidden beast` number, since 30 + 449 + 9 + 170 + 0 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65278 + ... + 255266.

It is an arithmetic number, because the mean of its divisors is an integer number (636086520).

Almost surely, 2^30449917008 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 30449917008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50886921600).

30449917008 is an abundant number, since it is smaller than the sum of its proper divisors (71323926192).

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

30449917008 is a wasteful number, since it uses less digits than its factorization.

30449917008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190066 (or 190054 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 30449917008 in words is "thirty billion, four hundred forty-nine million, nine hundred seventeen thousand, eight".