30421684008 has 96 divisors (see below), whose sum is σ = 87326890560. Its totient is φ = 9534405120.

The previous prime is 30421683949. The next prime is 30421684043. The reversal of 30421684008 is 80048612403.

30421684008 is a `hidden beast` number, since 30 + 4 + 216 + 8 + 400 + 8 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1249891 + ... + 1273997.

It is an arithmetic number, because the mean of its divisors is an integer number (909655110).

Almost surely, 2^30421684008 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 30421684008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43663445280).

30421684008 is an abundant number, since it is smaller than the sum of its proper divisors (56905206552).

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

30421684008 is a wasteful number, since it uses less digits than its factorization.

30421684008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25167 (or 25160 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 30421684008 in words is "thirty billion, four hundred twenty-one million, six hundred eighty-four thousand, eight".