30472067808 has 288 divisors, whose sum is σ = 110604888576. Its totient is φ = 8036402688.

The previous prime is 30472067803. The next prime is 30472067819. The reversal of 30472067808 is 80876027403.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30472067803) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 686085 + ... + 729147.

It is an arithmetic number, because the mean of its divisors is an integer number (384044752).

Almost surely, 2^30472067808 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 30472067808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55302444288).

30472067808 is an abundant number, since it is smaller than the sum of its proper divisors (80132820768).

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

30472067808 is a wasteful number, since it uses less digits than its factorization.

30472067808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43108 (or 43088 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 30472067808 in words is "thirty billion, four hundred seventy-two million, sixty-seven thousand, eight hundred eight".