30532601808 has 160 divisors (see below), whose sum is σ = 88819315200. Its totient is φ = 10041421824.

The previous prime is 30532601789. The next prime is 30532601819. The reversal of 30532601808 is 80810623503.

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

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, 11665716 + ... + 11668332.

It is an arithmetic number, because the mean of its divisors is an integer number (555120720).

Almost surely, 2^30532601808 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 30532601808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44409657600).

30532601808 is an abundant number, since it is smaller than the sum of its proper divisors (58286713392).

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

30532601808 is a wasteful number, since it uses less digits than its factorization.

30532601808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986 (or 2974 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 30532601808 in words is "thirty billion, five hundred thirty-two million, six hundred one thousand, eight hundred eight".